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Finding the Fourth Proportional to 338,666.70, 508,000.05 and 307,562.70

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Solution

The fourth proportional to 338,666.70, 508,000.05 and 307,562.70 is: 461,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,666.70 : 508,000.05 = 307,562.70 : x
  2. Step 2: Convert to fraction form
    338,666.70/508,000.05 = 307,562.70/x
  3. Step 3: Cross multiply
    338,666.70x = 508,000.05 × 307,562.70
  4. Step 4: Simplify right side
    338,666.70x = 156,241,866,978.14
  5. Step 5: Solve for x
    x = 156,241,866,978.14/338,666.70
  6. Step 6: Final answer
    x = 461,344.05

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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.