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Finding the Fourth Proportional to 418,712.92, 577,807.23 and 227,726.26

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Solution

The fourth proportional to 418,712.92, 577,807.23 and 227,726.26 is: 314,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,712.92 : 577,807.23 = 227,726.26 : x
  2. Step 2: Convert to fraction form
    418,712.92/577,807.23 = 227,726.26/x
  3. Step 3: Cross multiply
    418,712.92x = 577,807.23 × 227,726.26
  4. Step 4: Simplify right side
    418,712.92x = 131,581,879,488.86
  5. Step 5: Solve for x
    x = 131,581,879,488.86/418,712.92
  6. Step 6: Final answer
    x = 314,253.21

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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.