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Finding the Fourth Proportional to 703,861.12, 1,055,802 and 487,506.52

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Solution

The fourth proportional to 703,861.12, 1,055,802 and 487,506.52 is: 731,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,861.12 : 1,055,802 = 487,506.52 : x
  2. Step 2: Convert to fraction form
    703,861.12/1,055,802 = 487,506.52/x
  3. Step 3: Cross multiply
    703,861.12x = 1,055,802 × 487,506.52
  4. Step 4: Simplify right side
    703,861.12x = 514,710,358,829.04
  5. Step 5: Solve for x
    x = 514,710,358,829.04/703,861.12
  6. Step 6: Final answer
    x = 731,266.93

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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.