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Finding the Fourth Proportional to 525,706.10, 788,559.15 and 441,725.30

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Solution

The fourth proportional to 525,706.10, 788,559.15 and 441,725.30 is: 662,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,706.10 : 788,559.15 = 441,725.30 : x
  2. Step 2: Convert to fraction form
    525,706.10/788,559.15 = 441,725.30/x
  3. Step 3: Cross multiply
    525,706.10x = 788,559.15 × 441,725.30
  4. Step 4: Simplify right side
    525,706.10x = 348,326,527,101.50
  5. Step 5: Solve for x
    x = 348,326,527,101.50/525,706.10
  6. Step 6: Final answer
    x = 662,587.95

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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.