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Finding the Fourth Proportional to 552,730.65, 829,003.23 and 153,411.99

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Solution

The fourth proportional to 552,730.65, 829,003.23 and 153,411.99 is: 230,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,730.65 : 829,003.23 = 153,411.99 : x
  2. Step 2: Convert to fraction form
    552,730.65/829,003.23 = 153,411.99/x
  3. Step 3: Cross multiply
    552,730.65x = 829,003.23 × 153,411.99
  4. Step 4: Simplify right side
    552,730.65x = 127,179,035,230.73
  5. Step 5: Solve for x
    x = 127,179,035,230.73/552,730.65
  6. Step 6: Final answer
    x = 230,092.24

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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.