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Finding the Fourth Proportional to 418,553.94, 577,624.17 and 237,269.39

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Solution

The fourth proportional to 418,553.94, 577,624.17 and 237,269.39 is: 327,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,553.94 : 577,624.17 = 237,269.39 : x
  2. Step 2: Convert to fraction form
    418,553.94/577,624.17 = 237,269.39/x
  3. Step 3: Cross multiply
    418,553.94x = 577,624.17 × 237,269.39
  4. Step 4: Simplify right side
    418,553.94x = 137,052,534,465.16
  5. Step 5: Solve for x
    x = 137,052,534,465.16/418,553.94
  6. Step 6: Final answer
    x = 327,442.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.