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Finding the Fourth Proportional to 384,712.48, 577,024.08 and 104,250.88

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Solution

The fourth proportional to 384,712.48, 577,024.08 and 104,250.88 is: 156,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,712.48 : 577,024.08 = 104,250.88 : x
  2. Step 2: Convert to fraction form
    384,712.48/577,024.08 = 104,250.88/x
  3. Step 3: Cross multiply
    384,712.48x = 577,024.08 × 104,250.88
  4. Step 4: Simplify right side
    384,712.48x = 60,155,268,121.19
  5. Step 5: Solve for x
    x = 60,155,268,121.19/384,712.48
  6. Step 6: Final answer
    x = 156,364.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.