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Finding the Fourth Proportional to 344,882.03, 517,317.05 and 155,208.17

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Solution

The fourth proportional to 344,882.03, 517,317.05 and 155,208.17 is: 232,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,882.03 : 517,317.05 = 155,208.17 : x
  2. Step 2: Convert to fraction form
    344,882.03/517,317.05 = 155,208.17/x
  3. Step 3: Cross multiply
    344,882.03x = 517,317.05 × 155,208.17
  4. Step 4: Simplify right side
    344,882.03x = 80,291,829,277.67
  5. Step 5: Solve for x
    x = 80,291,829,277.67/344,882.03
  6. Step 6: Final answer
    x = 232,809.55

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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.