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Finding the Fourth Proportional to 586,980.68, 880,355.52 and 187,513.79

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Solution

The fourth proportional to 586,980.68, 880,355.52 and 187,513.79 is: 281,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,980.68 : 880,355.52 = 187,513.79 : x
  2. Step 2: Convert to fraction form
    586,980.68/880,355.52 = 187,513.79/x
  3. Step 3: Cross multiply
    586,980.68x = 880,355.52 × 187,513.79
  4. Step 4: Simplify right side
    586,980.68x = 165,078,795,700.84
  5. Step 5: Solve for x
    x = 165,078,795,700.84/586,980.68
  6. Step 6: Final answer
    x = 281,233.78

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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.