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Finding the Fourth Proportional to 539,514.55, 744,548.12 and 294,513.85

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Solution

The fourth proportional to 539,514.55, 744,548.12 and 294,513.85 is: 406,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,514.55 : 744,548.12 = 294,513.85 : x
  2. Step 2: Convert to fraction form
    539,514.55/744,548.12 = 294,513.85/x
  3. Step 3: Cross multiply
    539,514.55x = 744,548.12 × 294,513.85
  4. Step 4: Simplify right side
    539,514.55x = 219,279,733,331.46
  5. Step 5: Solve for x
    x = 219,279,733,331.46/539,514.55
  6. Step 6: Final answer
    x = 406,438.96

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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.