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Finding the Fourth Proportional to 268,545.63, 370,584.50 and 147,686.55

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Solution

The fourth proportional to 268,545.63, 370,584.50 and 147,686.55 is: 203,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,545.63 : 370,584.50 = 147,686.55 : x
  2. Step 2: Convert to fraction form
    268,545.63/370,584.50 = 147,686.55/x
  3. Step 3: Cross multiply
    268,545.63x = 370,584.50 × 147,686.55
  4. Step 4: Simplify right side
    268,545.63x = 54,730,346,288.48
  5. Step 5: Solve for x
    x = 54,730,346,288.48/268,545.63
  6. Step 6: Final answer
    x = 203,802.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.