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Finding the Fourth Proportional to 370,294.80, 555,444.28 and 89,812.24

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Solution

The fourth proportional to 370,294.80, 555,444.28 and 89,812.24 is: 134,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,294.80 : 555,444.28 = 89,812.24 : x
  2. Step 2: Convert to fraction form
    370,294.80/555,444.28 = 89,812.24/x
  3. Step 3: Cross multiply
    370,294.80x = 555,444.28 × 89,812.24
  4. Step 4: Simplify right side
    370,294.80x = 49,885,694,981.99
  5. Step 5: Solve for x
    x = 49,885,694,981.99/370,294.80
  6. Step 6: Final answer
    x = 134,718.86

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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.