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Finding the Fourth Proportional to 552,807.69, 829,216.17 and 153,479.61

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Solution

The fourth proportional to 552,807.69, 829,216.17 and 153,479.61 is: 230,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,807.69 : 829,216.17 = 153,479.61 : x
  2. Step 2: Convert to fraction form
    552,807.69/829,216.17 = 153,479.61/x
  3. Step 3: Cross multiply
    552,807.69x = 829,216.17 × 153,479.61
  4. Step 4: Simplify right side
    552,807.69x = 127,267,774,377.29
  5. Step 5: Solve for x
    x = 127,267,774,377.29/552,807.69
  6. Step 6: Final answer
    x = 230,220.70

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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.