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Finding the Fourth Proportional to 440,295.71, 607,617.92 and 246,717.86

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Solution

The fourth proportional to 440,295.71, 607,617.92 and 246,717.86 is: 340,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,295.71 : 607,617.92 = 246,717.86 : x
  2. Step 2: Convert to fraction form
    440,295.71/607,617.92 = 246,717.86/x
  3. Step 3: Cross multiply
    440,295.71x = 607,617.92 × 246,717.86
  4. Step 4: Simplify right side
    440,295.71x = 149,910,190,498.76
  5. Step 5: Solve for x
    x = 149,910,190,498.76/440,295.71
  6. Step 6: Final answer
    x = 340,476.16

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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.