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Finding the Fourth Proportional to 558,702.63, 837,915.21 and 159,346.89

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Solution

The fourth proportional to 558,702.63, 837,915.21 and 159,346.89 is: 238,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,702.63 : 837,915.21 = 159,346.89 : x
  2. Step 2: Convert to fraction form
    558,702.63/837,915.21 = 159,346.89/x
  3. Step 3: Cross multiply
    558,702.63x = 837,915.21 × 159,346.89
  4. Step 4: Simplify right side
    558,702.63x = 133,519,182,797.20
  5. Step 5: Solve for x
    x = 133,519,182,797.20/558,702.63
  6. Step 6: Final answer
    x = 238,980.77

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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.