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Finding the Fourth Proportional to 369,966.60, 555,209.10 and 237,169.80

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Solution

The fourth proportional to 369,966.60, 555,209.10 and 237,169.80 is: 355,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,966.60 : 555,209.10 = 237,169.80 : x
  2. Step 2: Convert to fraction form
    369,966.60/555,209.10 = 237,169.80/x
  3. Step 3: Cross multiply
    369,966.60x = 555,209.10 × 237,169.80
  4. Step 4: Simplify right side
    369,966.60x = 131,678,831,205.18
  5. Step 5: Solve for x
    x = 131,678,831,205.18/369,966.60
  6. Step 6: Final answer
    x = 355,920.86

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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.