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Finding the Fourth Proportional to 442,752.64, 610,973.76 and 251,812.48

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Solution

The fourth proportional to 442,752.64, 610,973.76 and 251,812.48 is: 347,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,752.64 : 610,973.76 = 251,812.48 : x
  2. Step 2: Convert to fraction form
    442,752.64/610,973.76 = 251,812.48/x
  3. Step 3: Cross multiply
    442,752.64x = 610,973.76 × 251,812.48
  4. Step 4: Simplify right side
    442,752.64x = 153,850,817,720.53
  5. Step 5: Solve for x
    x = 153,850,817,720.53/442,752.64
  6. Step 6: Final answer
    x = 347,487.07

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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.