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Finding the Fourth Proportional to 614,155.52, 921,027.54 and 234,988.04

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Solution

The fourth proportional to 614,155.52, 921,027.54 and 234,988.04 is: 352,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,155.52 : 921,027.54 = 234,988.04 : x
  2. Step 2: Convert to fraction form
    614,155.52/921,027.54 = 234,988.04/x
  3. Step 3: Cross multiply
    614,155.52x = 921,027.54 × 234,988.04
  4. Step 4: Simplify right side
    614,155.52x = 216,430,456,410.62
  5. Step 5: Solve for x
    x = 216,430,456,410.62/614,155.52
  6. Step 6: Final answer
    x = 352,403.34

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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.