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Finding the Fourth Proportional to 487,748.70, 731,623.05 and 468,065.70

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Solution

The fourth proportional to 487,748.70, 731,623.05 and 468,065.70 is: 702,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,748.70 : 731,623.05 = 468,065.70 : x
  2. Step 2: Convert to fraction form
    487,748.70/731,623.05 = 468,065.70/x
  3. Step 3: Cross multiply
    487,748.70x = 731,623.05 × 468,065.70
  4. Step 4: Simplify right side
    487,748.70x = 342,447,655,034.39
  5. Step 5: Solve for x
    x = 342,447,655,034.39/487,748.70
  6. Step 6: Final answer
    x = 702,098.55

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Similar ratio
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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.