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Finding the Fourth Proportional to 973,469.92, 1,343,348.40 and 543,748

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Solution

The fourth proportional to 973,469.92, 1,343,348.40 and 543,748 is: 750,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,469.92 : 1,343,348.40 = 543,748 : x
  2. Step 2: Convert to fraction form
    973,469.92/1,343,348.40 = 543,748/x
  3. Step 3: Cross multiply
    973,469.92x = 1,343,348.40 × 543,748
  4. Step 4: Simplify right side
    973,469.92x = 730,443,005,803.20
  5. Step 5: Solve for x
    x = 730,443,005,803.20/973,469.92
  6. Step 6: Final answer
    x = 750,349.85

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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.