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Finding the Fourth Proportional to 534,894.60, 738,160.38 and 293,171.88

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Solution

The fourth proportional to 534,894.60, 738,160.38 and 293,171.88 is: 404,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,894.60 : 738,160.38 = 293,171.88 : x
  2. Step 2: Convert to fraction form
    534,894.60/738,160.38 = 293,171.88/x
  3. Step 3: Cross multiply
    534,894.60x = 738,160.38 × 293,171.88
  4. Step 4: Simplify right side
    534,894.60x = 216,407,866,346.11
  5. Step 5: Solve for x
    x = 216,407,866,346.11/534,894.60
  6. Step 6: Final answer
    x = 404,580.39

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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.