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Finding the Fourth Proportional to 539,534.55, 744,557.57 and 297,817.06

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Solution

The fourth proportional to 539,534.55, 744,557.57 and 297,817.06 is: 410,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,534.55 : 744,557.57 = 297,817.06 : x
  2. Step 2: Convert to fraction form
    539,534.55/744,557.57 = 297,817.06/x
  3. Step 3: Cross multiply
    539,534.55x = 744,557.57 × 297,817.06
  4. Step 4: Simplify right side
    539,534.55x = 221,741,941,286.27
  5. Step 5: Solve for x
    x = 221,741,941,286.27/539,534.55
  6. Step 6: Final answer
    x = 410,987.47

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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.