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Finding the Fourth Proportional to 583,715.62, 875,599.89 and 178,878.70

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Solution

The fourth proportional to 583,715.62, 875,599.89 and 178,878.70 is: 268,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,715.62 : 875,599.89 = 178,878.70 : x
  2. Step 2: Convert to fraction form
    583,715.62/875,599.89 = 178,878.70/x
  3. Step 3: Cross multiply
    583,715.62x = 875,599.89 × 178,878.70
  4. Step 4: Simplify right side
    583,715.62x = 156,626,170,043.34
  5. Step 5: Solve for x
    x = 156,626,170,043.34/583,715.62
  6. Step 6: Final answer
    x = 268,326.16

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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.