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Finding the Fourth Proportional to 334,887.76, 462,155.72 and 183,987.92

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Solution

The fourth proportional to 334,887.76, 462,155.72 and 183,987.92 is: 253,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,887.76 : 462,155.72 = 183,987.92 : x
  2. Step 2: Convert to fraction form
    334,887.76/462,155.72 = 183,987.92/x
  3. Step 3: Cross multiply
    334,887.76x = 462,155.72 × 183,987.92
  4. Step 4: Simplify right side
    334,887.76x = 85,031,069,638.90
  5. Step 5: Solve for x
    x = 85,031,069,638.90/334,887.76
  6. Step 6: Final answer
    x = 253,909.16

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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.