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Finding the Fourth Proportional to 539,261.87, 744,196.94 and 297,560.00

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Solution

The fourth proportional to 539,261.87, 744,196.94 and 297,560.00 is: 410,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,261.87 : 744,196.94 = 297,560.00 : x
  2. Step 2: Convert to fraction form
    539,261.87/744,196.94 = 297,560.00/x
  3. Step 3: Cross multiply
    539,261.87x = 744,196.94 × 297,560.00
  4. Step 4: Simplify right side
    539,261.87x = 221,443,244,070.79
  5. Step 5: Solve for x
    x = 221,443,244,070.79/539,261.87
  6. Step 6: Final answer
    x = 410,641.39

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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.