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Finding the Fourth Proportional to 653,778.24, 980,730.96 and 254,451.48

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Solution

The fourth proportional to 653,778.24, 980,730.96 and 254,451.48 is: 381,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,778.24 : 980,730.96 = 254,451.48 : x
  2. Step 2: Convert to fraction form
    653,778.24/980,730.96 = 254,451.48/x
  3. Step 3: Cross multiply
    653,778.24x = 980,730.96 × 254,451.48
  4. Step 4: Simplify right side
    653,778.24x = 249,548,444,253.82
  5. Step 5: Solve for x
    x = 249,548,444,253.82/653,778.24
  6. Step 6: Final answer
    x = 381,701.97

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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.