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Finding the Fourth Proportional to 306,007.95, 459,011.94 and 260,737.05

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Solution

The fourth proportional to 306,007.95, 459,011.94 and 260,737.05 is: 391,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,007.95 : 459,011.94 = 260,737.05 : x
  2. Step 2: Convert to fraction form
    306,007.95/459,011.94 = 260,737.05/x
  3. Step 3: Cross multiply
    306,007.95x = 459,011.94 × 260,737.05
  4. Step 4: Simplify right side
    306,007.95x = 119,681,419,150.38
  5. Step 5: Solve for x
    x = 119,681,419,150.38/306,007.95
  6. Step 6: Final answer
    x = 391,105.59

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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.