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Finding the Fourth Proportional to 539,613.44, 744,667.65 and 297,896.34

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Solution

The fourth proportional to 539,613.44, 744,667.65 and 297,896.34 is: 411,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,613.44 : 744,667.65 = 297,896.34 : x
  2. Step 2: Convert to fraction form
    539,613.44/744,667.65 = 297,896.34/x
  3. Step 3: Cross multiply
    539,613.44x = 744,667.65 × 297,896.34
  4. Step 4: Simplify right side
    539,613.44x = 221,833,767,451.40
  5. Step 5: Solve for x
    x = 221,833,767,451.40/539,613.44
  6. Step 6: Final answer
    x = 411,097.56

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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.