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Finding the Fourth Proportional to 551,022.48, 826,424.16 and 151,560

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Solution

The fourth proportional to 551,022.48, 826,424.16 and 151,560 is: 227,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,022.48 : 826,424.16 = 151,560 : x
  2. Step 2: Convert to fraction form
    551,022.48/826,424.16 = 151,560/x
  3. Step 3: Cross multiply
    551,022.48x = 826,424.16 × 151,560
  4. Step 4: Simplify right side
    551,022.48x = 125,252,845,689.60
  5. Step 5: Solve for x
    x = 125,252,845,689.60/551,022.48
  6. Step 6: Final answer
    x = 227,309.87

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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.