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Finding the Fourth Proportional to 539,343.55, 744,296.28 and 297,633.11

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Solution

The fourth proportional to 539,343.55, 744,296.28 and 297,633.11 is: 410,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,343.55 : 744,296.28 = 297,633.11 : x
  2. Step 2: Convert to fraction form
    539,343.55/744,296.28 = 297,633.11/x
  3. Step 3: Cross multiply
    539,343.55x = 744,296.28 × 297,633.11
  4. Step 4: Simplify right side
    539,343.55x = 221,527,216,577.83
  5. Step 5: Solve for x
    x = 221,527,216,577.83/539,343.55
  6. Step 6: Final answer
    x = 410,734.90

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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.