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Finding the Fourth Proportional to 463,487.70, 649,815.90 and 463,487.70

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Solution

The fourth proportional to 463,487.70, 649,815.90 and 463,487.70 is: 649,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,487.70 : 649,815.90 = 463,487.70 : x
  2. Step 2: Convert to fraction form
    463,487.70/649,815.90 = 463,487.70/x
  3. Step 3: Cross multiply
    463,487.70x = 649,815.90 × 463,487.70
  4. Step 4: Simplify right side
    463,487.70x = 301,181,676,914.43
  5. Step 5: Solve for x
    x = 301,181,676,914.43/463,487.70
  6. Step 6: Final answer
    x = 649,815.90

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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.