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Finding the Fourth Proportional to 418,305.80, 577,260.45 and 237,052.26

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Solution

The fourth proportional to 418,305.80, 577,260.45 and 237,052.26 is: 327,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,305.80 : 577,260.45 = 237,052.26 : x
  2. Step 2: Convert to fraction form
    418,305.80/577,260.45 = 237,052.26/x
  3. Step 3: Cross multiply
    418,305.80x = 577,260.45 × 237,052.26
  4. Step 4: Simplify right side
    418,305.80x = 136,840,894,281.12
  5. Step 5: Solve for x
    x = 136,840,894,281.12/418,305.80
  6. Step 6: Final answer
    x = 327,131.24

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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.