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Finding the Fourth Proportional to 486,693.98, 730,498.95 and 246,979.98

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Solution

The fourth proportional to 486,693.98, 730,498.95 and 246,979.98 is: 370,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,693.98 : 730,498.95 = 246,979.98 : x
  2. Step 2: Convert to fraction form
    486,693.98/730,498.95 = 246,979.98/x
  3. Step 3: Cross multiply
    486,693.98x = 730,498.95 × 246,979.98
  4. Step 4: Simplify right side
    486,693.98x = 180,418,614,826.12
  5. Step 5: Solve for x
    x = 180,418,614,826.12/486,693.98
  6. Step 6: Final answer
    x = 370,702.38

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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.