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Finding the Fourth Proportional to 220,109.71, 329,599.59 and 152,545.45

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Solution

The fourth proportional to 220,109.71, 329,599.59 and 152,545.45 is: 228,426.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109.71 : 329,599.59 = 152,545.45 : x
  2. Step 2: Convert to fraction form
    220,109.71/329,599.59 = 152,545.45/x
  3. Step 3: Cross multiply
    220,109.71x = 329,599.59 × 152,545.45
  4. Step 4: Simplify right side
    220,109.71x = 50,278,917,776.37
  5. Step 5: Solve for x
    x = 50,278,917,776.37/220,109.71
  6. Step 6: Final answer
    x = 228,426.62

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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.