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Finding the Fourth Proportional to 418,287.52, 577,258.90 and 237,034.60

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Solution

The fourth proportional to 418,287.52, 577,258.90 and 237,034.60 is: 327,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,287.52 : 577,258.90 = 237,034.60 : x
  2. Step 2: Convert to fraction form
    418,287.52/577,258.90 = 237,034.60/x
  3. Step 3: Cross multiply
    418,287.52x = 577,258.90 × 237,034.60
  4. Step 4: Simplify right side
    418,287.52x = 136,830,332,457.94
  5. Step 5: Solve for x
    x = 136,830,332,457.94/418,287.52
  6. Step 6: Final answer
    x = 327,120.28

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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.