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Finding the Fourth Proportional to 907,487.10, 1,361,230.65 and 608,888.70

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Solution

The fourth proportional to 907,487.10, 1,361,230.65 and 608,888.70 is: 913,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,487.10 : 1,361,230.65 = 608,888.70 : x
  2. Step 2: Convert to fraction form
    907,487.10/1,361,230.65 = 608,888.70/x
  3. Step 3: Cross multiply
    907,487.10x = 1,361,230.65 × 608,888.70
  4. Step 4: Simplify right side
    907,487.10x = 828,837,960,878.66
  5. Step 5: Solve for x
    x = 828,837,960,878.66/907,487.10
  6. Step 6: Final answer
    x = 913,333.05

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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.