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Finding the Fourth Proportional to 306,572.17, 459,691.46 and 106,838.93

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Solution

The fourth proportional to 306,572.17, 459,691.46 and 106,838.93 is: 160,200.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,572.17 : 459,691.46 = 106,838.93 : x
  2. Step 2: Convert to fraction form
    306,572.17/459,691.46 = 106,838.93/x
  3. Step 3: Cross multiply
    306,572.17x = 459,691.46 × 106,838.93
  4. Step 4: Simplify right side
    306,572.17x = 49,112,943,716.54
  5. Step 5: Solve for x
    x = 49,112,943,716.54/306,572.17
  6. Step 6: Final answer
    x = 160,200.27

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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.