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Finding the Fourth Proportional to 461,966.10, 645,177.90 and 461,966.10

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Solution

The fourth proportional to 461,966.10, 645,177.90 and 461,966.10 is: 645,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,966.10 : 645,177.90 = 461,966.10 : x
  2. Step 2: Convert to fraction form
    461,966.10/645,177.90 = 461,966.10/x
  3. Step 3: Cross multiply
    461,966.10x = 645,177.90 × 461,966.10
  4. Step 4: Simplify right side
    461,966.10x = 298,050,318,269.19
  5. Step 5: Solve for x
    x = 298,050,318,269.19/461,966.10
  6. Step 6: Final answer
    x = 645,177.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.