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Finding the Fourth Proportional to 425,292.75, 586,897.11 and 231,702.77

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Solution

The fourth proportional to 425,292.75, 586,897.11 and 231,702.77 is: 319,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,292.75 : 586,897.11 = 231,702.77 : x
  2. Step 2: Convert to fraction form
    425,292.75/586,897.11 = 231,702.77/x
  3. Step 3: Cross multiply
    425,292.75x = 586,897.11 × 231,702.77
  4. Step 4: Simplify right side
    425,292.75x = 135,985,686,092.00
  5. Step 5: Solve for x
    x = 135,985,686,092.00/425,292.75
  6. Step 6: Final answer
    x = 319,746.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.