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Finding the Fourth Proportional to 431,572.92, 595,648.26 and 270,567.60

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Solution

The fourth proportional to 431,572.92, 595,648.26 and 270,567.60 is: 373,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,572.92 : 595,648.26 = 270,567.60 : x
  2. Step 2: Convert to fraction form
    431,572.92/595,648.26 = 270,567.60/x
  3. Step 3: Cross multiply
    431,572.92x = 595,648.26 × 270,567.60
  4. Step 4: Simplify right side
    431,572.92x = 161,163,120,152.38
  5. Step 5: Solve for x
    x = 161,163,120,152.38/431,572.92
  6. Step 6: Final answer
    x = 373,431.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.