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Finding the Fourth Proportional to 574,677.72, 862,014.96 and 258,764.76

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Solution

The fourth proportional to 574,677.72, 862,014.96 and 258,764.76 is: 388,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,677.72 : 862,014.96 = 258,764.76 : x
  2. Step 2: Convert to fraction form
    574,677.72/862,014.96 = 258,764.76/x
  3. Step 3: Cross multiply
    574,677.72x = 862,014.96 × 258,764.76
  4. Step 4: Simplify right side
    574,677.72x = 223,059,094,240.81
  5. Step 5: Solve for x
    x = 223,059,094,240.81/574,677.72
  6. Step 6: Final answer
    x = 388,146.41

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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.