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Finding the Fourth Proportional to 356,255.70, 534,438.89 and 119,653.74

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Solution

The fourth proportional to 356,255.70, 534,438.89 and 119,653.74 is: 179,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,255.70 : 534,438.89 = 119,653.74 : x
  2. Step 2: Convert to fraction form
    356,255.70/534,438.89 = 119,653.74/x
  3. Step 3: Cross multiply
    356,255.70x = 534,438.89 × 119,653.74
  4. Step 4: Simplify right side
    356,255.70x = 63,947,612,513.43
  5. Step 5: Solve for x
    x = 63,947,612,513.43/356,255.70
  6. Step 6: Final answer
    x = 179,499.20

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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.