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Finding the Fourth Proportional to 353,866.31, 530,425.54 and 241,267.40

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Solution

The fourth proportional to 353,866.31, 530,425.54 and 241,267.40 is: 361,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,866.31 : 530,425.54 = 241,267.40 : x
  2. Step 2: Convert to fraction form
    353,866.31/530,425.54 = 241,267.40/x
  3. Step 3: Cross multiply
    353,866.31x = 530,425.54 × 241,267.40
  4. Step 4: Simplify right side
    353,866.31x = 127,974,387,070.93
  5. Step 5: Solve for x
    x = 127,974,387,070.93/353,866.31
  6. Step 6: Final answer
    x = 361,646.15

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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.