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Finding the Fourth Proportional to 293,545.60, 439,735.20 and 160,187.20

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Solution

The fourth proportional to 293,545.60, 439,735.20 and 160,187.20 is: 239,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,545.60 : 439,735.20 = 160,187.20 : x
  2. Step 2: Convert to fraction form
    293,545.60/439,735.20 = 160,187.20/x
  3. Step 3: Cross multiply
    293,545.60x = 439,735.20 × 160,187.20
  4. Step 4: Simplify right side
    293,545.60x = 70,439,950,429.44
  5. Step 5: Solve for x
    x = 70,439,950,429.44/293,545.60
  6. Step 6: Final answer
    x = 239,962.55

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1.5x scale

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.