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Finding the Fourth Proportional to 907,265.10, 1,361,416.05 and 346,701.90

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Solution

The fourth proportional to 907,265.10, 1,361,416.05 and 346,701.90 is: 520,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,265.10 : 1,361,416.05 = 346,701.90 : x
  2. Step 2: Convert to fraction form
    907,265.10/1,361,416.05 = 346,701.90/x
  3. Step 3: Cross multiply
    907,265.10x = 1,361,416.05 × 346,701.90
  4. Step 4: Simplify right side
    907,265.10x = 472,005,531,225.50
  5. Step 5: Solve for x
    x = 472,005,531,225.50/907,265.10
  6. Step 6: Final answer
    x = 520,250.95

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.