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Finding the Fourth Proportional to 529,866.40, 794,799.60 and 361,904.80

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Solution

The fourth proportional to 529,866.40, 794,799.60 and 361,904.80 is: 542,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,866.40 : 794,799.60 = 361,904.80 : x
  2. Step 2: Convert to fraction form
    529,866.40/794,799.60 = 361,904.80/x
  3. Step 3: Cross multiply
    529,866.40x = 794,799.60 × 361,904.80
  4. Step 4: Simplify right side
    529,866.40x = 287,641,790,278.08
  5. Step 5: Solve for x
    x = 287,641,790,278.08/529,866.40
  6. Step 6: Final answer
    x = 542,857.20

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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.