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Finding the Fourth Proportional to 353,502.88, 530,239.52 and 240,901.76

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Solution

The fourth proportional to 353,502.88, 530,239.52 and 240,901.76 is: 361,342.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,502.88 : 530,239.52 = 240,901.76 : x
  2. Step 2: Convert to fraction form
    353,502.88/530,239.52 = 240,901.76/x
  3. Step 3: Cross multiply
    353,502.88x = 530,239.52 × 240,901.76
  4. Step 4: Simplify right side
    353,502.88x = 127,735,633,589.56
  5. Step 5: Solve for x
    x = 127,735,633,589.56/353,502.88
  6. Step 6: Final answer
    x = 361,342.55

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1.5x scale

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.