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Finding the Fourth Proportional to 402,493.59, 555,319.71 and 241,289.82

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Solution

The fourth proportional to 402,493.59, 555,319.71 and 241,289.82 is: 332,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,493.59 : 555,319.71 = 241,289.82 : x
  2. Step 2: Convert to fraction form
    402,493.59/555,319.71 = 241,289.82/x
  3. Step 3: Cross multiply
    402,493.59x = 555,319.71 × 241,289.82
  4. Step 4: Simplify right side
    402,493.59x = 133,992,992,868.35
  5. Step 5: Solve for x
    x = 133,992,992,868.35/402,493.59
  6. Step 6: Final answer
    x = 332,907.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.