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Finding the Fourth Proportional to 370,207.42, 555,311.13 and 89,724.67

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Solution

The fourth proportional to 370,207.42, 555,311.13 and 89,724.67 is: 134,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,207.42 : 555,311.13 = 89,724.67 : x
  2. Step 2: Convert to fraction form
    370,207.42/555,311.13 = 89,724.67/x
  3. Step 3: Cross multiply
    370,207.42x = 555,311.13 × 89,724.67
  4. Step 4: Simplify right side
    370,207.42x = 49,825,104,661.40
  5. Step 5: Solve for x
    x = 49,825,104,661.40/370,207.42
  6. Step 6: Final answer
    x = 134,587.00

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Similar ratio
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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.