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Finding the Fourth Proportional to 586,153.98, 879,107.88 and 165,331.44

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Solution

The fourth proportional to 586,153.98, 879,107.88 and 165,331.44 is: 247,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,153.98 : 879,107.88 = 165,331.44 : x
  2. Step 2: Convert to fraction form
    586,153.98/879,107.88 = 165,331.44/x
  3. Step 3: Cross multiply
    586,153.98x = 879,107.88 × 165,331.44
  4. Step 4: Simplify right side
    586,153.98x = 145,344,171,715.75
  5. Step 5: Solve for x
    x = 145,344,171,715.75/586,153.98
  6. Step 6: Final answer
    x = 247,962.44

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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.