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Finding the Fourth Proportional to 487,359.70, 731,039.55 and 468,697.30

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Solution

The fourth proportional to 487,359.70, 731,039.55 and 468,697.30 is: 703,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,359.70 : 731,039.55 = 468,697.30 : x
  2. Step 2: Convert to fraction form
    487,359.70/731,039.55 = 468,697.30/x
  3. Step 3: Cross multiply
    487,359.70x = 731,039.55 × 468,697.30
  4. Step 4: Simplify right side
    487,359.70x = 342,636,263,278.22
  5. Step 5: Solve for x
    x = 342,636,263,278.22/487,359.70
  6. Step 6: Final answer
    x = 703,045.95

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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.