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Finding the Fourth Proportional to 386,174.31, 532,810.61 and 224,998.22

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Solution

The fourth proportional to 386,174.31, 532,810.61 and 224,998.22 is: 310,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,174.31 : 532,810.61 = 224,998.22 : x
  2. Step 2: Convert to fraction form
    386,174.31/532,810.61 = 224,998.22/x
  3. Step 3: Cross multiply
    386,174.31x = 532,810.61 × 224,998.22
  4. Step 4: Simplify right side
    386,174.31x = 119,881,437,650.10
  5. Step 5: Solve for x
    x = 119,881,437,650.10/386,174.31
  6. Step 6: Final answer
    x = 310,433.49

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1.5x scale

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.