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Finding the Fourth Proportional to 580,049.52, 870,107.52 and 153,574.25

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Solution

The fourth proportional to 580,049.52, 870,107.52 and 153,574.25 is: 230,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,049.52 : 870,107.52 = 153,574.25 : x
  2. Step 2: Convert to fraction form
    580,049.52/870,107.52 = 153,574.25/x
  3. Step 3: Cross multiply
    580,049.52x = 870,107.52 × 153,574.25
  4. Step 4: Simplify right side
    580,049.52x = 133,626,108,139.82
  5. Step 5: Solve for x
    x = 133,626,108,139.82/580,049.52
  6. Step 6: Final answer
    x = 230,370.17

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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.