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Finding the Fourth Proportional to 549,082.92, 757,747.26 and 307,359.48

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Solution

The fourth proportional to 549,082.92, 757,747.26 and 307,359.48 is: 424,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,082.92 : 757,747.26 = 307,359.48 : x
  2. Step 2: Convert to fraction form
    549,082.92/757,747.26 = 307,359.48/x
  3. Step 3: Cross multiply
    549,082.92x = 757,747.26 × 307,359.48
  4. Step 4: Simplify right side
    549,082.92x = 232,900,803,805.03
  5. Step 5: Solve for x
    x = 232,900,803,805.03/549,082.92
  6. Step 6: Final answer
    x = 424,163.26

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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.