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Finding the Fourth Proportional to 586,787.68, 880,764.72 and 271,315.36

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Solution

The fourth proportional to 586,787.68, 880,764.72 and 271,315.36 is: 407,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,787.68 : 880,764.72 = 271,315.36 : x
  2. Step 2: Convert to fraction form
    586,787.68/880,764.72 = 271,315.36/x
  3. Step 3: Cross multiply
    586,787.68x = 880,764.72 × 271,315.36
  4. Step 4: Simplify right side
    586,787.68x = 238,964,997,082.10
  5. Step 5: Solve for x
    x = 238,964,997,082.10/586,787.68
  6. Step 6: Final answer
    x = 407,242.70

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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.