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Finding the Fourth Proportional to 539,556.60, 744,595.02 and 297,839.64

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Solution

The fourth proportional to 539,556.60, 744,595.02 and 297,839.64 is: 411,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,556.60 : 744,595.02 = 297,839.64 : x
  2. Step 2: Convert to fraction form
    539,556.60/744,595.02 = 297,839.64/x
  3. Step 3: Cross multiply
    539,556.60x = 744,595.02 × 297,839.64
  4. Step 4: Simplify right side
    539,556.60x = 221,769,912,702.59
  5. Step 5: Solve for x
    x = 221,769,912,702.59/539,556.60
  6. Step 6: Final answer
    x = 411,022.52

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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.