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Finding the Fourth Proportional to 586,393.68, 879,512.76 and 165,702.36

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Solution

The fourth proportional to 586,393.68, 879,512.76 and 165,702.36 is: 248,531.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,393.68 : 879,512.76 = 165,702.36 : x
  2. Step 2: Convert to fraction form
    586,393.68/879,512.76 = 165,702.36/x
  3. Step 3: Cross multiply
    586,393.68x = 879,512.76 × 165,702.36
  4. Step 4: Simplify right side
    586,393.68x = 145,737,339,982.11
  5. Step 5: Solve for x
    x = 145,737,339,982.11/586,393.68
  6. Step 6: Final answer
    x = 248,531.57

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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.