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Finding the Fourth Proportional to 681,358.53, 940,262.37 and 375,463.14

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Solution

The fourth proportional to 681,358.53, 940,262.37 and 375,463.14 is: 518,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,358.53 : 940,262.37 = 375,463.14 : x
  2. Step 2: Convert to fraction form
    681,358.53/940,262.37 = 375,463.14/x
  3. Step 3: Cross multiply
    681,358.53x = 940,262.37 × 375,463.14
  4. Step 4: Simplify right side
    681,358.53x = 353,033,861,864.04
  5. Step 5: Solve for x
    x = 353,033,861,864.04/681,358.53
  6. Step 6: Final answer
    x = 518,132.30

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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.