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Finding the Fourth Proportional to 370,003.44, 555,006.12 and 89,520.24

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Solution

The fourth proportional to 370,003.44, 555,006.12 and 89,520.24 is: 134,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,003.44 : 555,006.12 = 89,520.24 : x
  2. Step 2: Convert to fraction form
    370,003.44/555,006.12 = 89,520.24/x
  3. Step 3: Cross multiply
    370,003.44x = 555,006.12 × 89,520.24
  4. Step 4: Simplify right side
    370,003.44x = 49,684,281,063.87
  5. Step 5: Solve for x
    x = 49,684,281,063.87/370,003.44
  6. Step 6: Final answer
    x = 134,280.59

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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.