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Finding the Fourth Proportional to 522,675.40, 721,248.24 and 293,200.60

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Solution

The fourth proportional to 522,675.40, 721,248.24 and 293,200.60 is: 404,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,675.40 : 721,248.24 = 293,200.60 : x
  2. Step 2: Convert to fraction form
    522,675.40/721,248.24 = 293,200.60/x
  3. Step 3: Cross multiply
    522,675.40x = 721,248.24 × 293,200.60
  4. Step 4: Simplify right side
    522,675.40x = 211,470,416,716.94
  5. Step 5: Solve for x
    x = 211,470,416,716.94/522,675.40
  6. Step 6: Final answer
    x = 404,592.25

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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.