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Finding the Fourth Proportional to 555,332.54, 833,029.97 and 155,942.16

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Solution

The fourth proportional to 555,332.54, 833,029.97 and 155,942.16 is: 233,921.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,332.54 : 833,029.97 = 155,942.16 : x
  2. Step 2: Convert to fraction form
    555,332.54/833,029.97 = 155,942.16/x
  3. Step 3: Cross multiply
    555,332.54x = 833,029.97 × 155,942.16
  4. Step 4: Simplify right side
    555,332.54x = 129,904,492,086.82
  5. Step 5: Solve for x
    x = 129,904,492,086.82/555,332.54
  6. Step 6: Final answer
    x = 233,921.99

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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.