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Finding the Fourth Proportional to 402,339.78, 555,208.98 and 241,163.52

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Solution

The fourth proportional to 402,339.78, 555,208.98 and 241,163.52 is: 332,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,339.78 : 555,208.98 = 241,163.52 : x
  2. Step 2: Convert to fraction form
    402,339.78/555,208.98 = 241,163.52/x
  3. Step 3: Cross multiply
    402,339.78x = 555,208.98 × 241,163.52
  4. Step 4: Simplify right side
    402,339.78x = 133,896,151,952.41
  5. Step 5: Solve for x
    x = 133,896,151,952.41/402,339.78
  6. Step 6: Final answer
    x = 332,793.72

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1.5x scale

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.