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Finding the Fourth Proportional to 551,134.40, 826,701.60 and 524,890.40

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Solution

The fourth proportional to 551,134.40, 826,701.60 and 524,890.40 is: 787,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,134.40 : 826,701.60 = 524,890.40 : x
  2. Step 2: Convert to fraction form
    551,134.40/826,701.60 = 524,890.40/x
  3. Step 3: Cross multiply
    551,134.40x = 826,701.60 × 524,890.40
  4. Step 4: Simplify right side
    551,134.40x = 433,927,733,504.64
  5. Step 5: Solve for x
    x = 433,927,733,504.64/551,134.40
  6. Step 6: Final answer
    x = 787,335.60

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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.