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Finding the Fourth Proportional to 573,601.44, 859,627.12 and 218,421.76

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Solution

The fourth proportional to 573,601.44, 859,627.12 and 218,421.76 is: 327,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,601.44 : 859,627.12 = 218,421.76 : x
  2. Step 2: Convert to fraction form
    573,601.44/859,627.12 = 218,421.76/x
  3. Step 3: Cross multiply
    573,601.44x = 859,627.12 × 218,421.76
  4. Step 4: Simplify right side
    573,601.44x = 187,761,268,494.13
  5. Step 5: Solve for x
    x = 187,761,268,494.13/573,601.44
  6. Step 6: Final answer
    x = 327,337.51

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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.