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Finding the Fourth Proportional to 658,363.48, 908,177.83 and 535,987.50

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Solution

The fourth proportional to 658,363.48, 908,177.83 and 535,987.50 is: 739,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,363.48 : 908,177.83 = 535,987.50 : x
  2. Step 2: Convert to fraction form
    658,363.48/908,177.83 = 535,987.50/x
  3. Step 3: Cross multiply
    658,363.48x = 908,177.83 × 535,987.50
  4. Step 4: Simplify right side
    658,363.48x = 486,771,964,657.13
  5. Step 5: Solve for x
    x = 486,771,964,657.13/658,363.48
  6. Step 6: Final answer
    x = 739,366.60

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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.