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Finding the Fourth Proportional to 588,118.52, 812,706.86 and 480,649.36

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Solution

The fourth proportional to 588,118.52, 812,706.86 and 480,649.36 is: 664,197.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,118.52 : 812,706.86 = 480,649.36 : x
  2. Step 2: Convert to fraction form
    588,118.52/812,706.86 = 480,649.36/x
  3. Step 3: Cross multiply
    588,118.52x = 812,706.86 × 480,649.36
  4. Step 4: Simplify right side
    588,118.52x = 390,627,032,126.61
  5. Step 5: Solve for x
    x = 390,627,032,126.61/588,118.52
  6. Step 6: Final answer
    x = 664,197.81

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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.