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Finding the Fourth Proportional to 360,053.55, 539,573.26 and 275,486.31

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Solution

The fourth proportional to 360,053.55, 539,573.26 and 275,486.31 is: 412,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,053.55 : 539,573.26 = 275,486.31 : x
  2. Step 2: Convert to fraction form
    360,053.55/539,573.26 = 275,486.31/x
  3. Step 3: Cross multiply
    360,053.55x = 539,573.26 × 275,486.31
  4. Step 4: Simplify right side
    360,053.55x = 148,645,046,372.07
  5. Step 5: Solve for x
    x = 148,645,046,372.07/360,053.55
  6. Step 6: Final answer
    x = 412,841.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.