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Finding the Fourth Proportional to 973,363.52, 1,343,227.56 and 543,649.88

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Solution

The fourth proportional to 973,363.52, 1,343,227.56 and 543,649.88 is: 750,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,363.52 : 1,343,227.56 = 543,649.88 : x
  2. Step 2: Convert to fraction form
    973,363.52/1,343,227.56 = 543,649.88/x
  3. Step 3: Cross multiply
    973,363.52x = 1,343,227.56 × 543,649.88
  4. Step 4: Simplify right side
    973,363.52x = 730,245,501,806.69
  5. Step 5: Solve for x
    x = 730,245,501,806.69/973,363.52
  6. Step 6: Final answer
    x = 750,228.96

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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.