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Finding the Fourth Proportional to 577,125.30, 865,702.80 and 273,448.20

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Solution

The fourth proportional to 577,125.30, 865,702.80 and 273,448.20 is: 410,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,125.30 : 865,702.80 = 273,448.20 : x
  2. Step 2: Convert to fraction form
    577,125.30/865,702.80 = 273,448.20/x
  3. Step 3: Cross multiply
    577,125.30x = 865,702.80 × 273,448.20
  4. Step 4: Simplify right side
    577,125.30x = 236,724,872,394.96
  5. Step 5: Solve for x
    x = 236,724,872,394.96/577,125.30
  6. Step 6: Final answer
    x = 410,179.34

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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.