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Finding the Fourth Proportional to 539,265.94, 744,191.06 and 297,557.48

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Solution

The fourth proportional to 539,265.94, 744,191.06 and 297,557.48 is: 410,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,265.94 : 744,191.06 = 297,557.48 : x
  2. Step 2: Convert to fraction form
    539,265.94/744,191.06 = 297,557.48/x
  3. Step 3: Cross multiply
    539,265.94x = 744,191.06 × 297,557.48
  4. Step 4: Simplify right side
    539,265.94x = 221,439,616,452.13
  5. Step 5: Solve for x
    x = 221,439,616,452.13/539,265.94
  6. Step 6: Final answer
    x = 410,631.56

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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.