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Finding the Fourth Proportional to 527,698.60, 792,131.10 and 328,244.20

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Solution

The fourth proportional to 527,698.60, 792,131.10 and 328,244.20 is: 492,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,698.60 : 792,131.10 = 328,244.20 : x
  2. Step 2: Convert to fraction form
    527,698.60/792,131.10 = 328,244.20/x
  3. Step 3: Cross multiply
    527,698.60x = 792,131.10 × 328,244.20
  4. Step 4: Simplify right side
    527,698.60x = 260,012,439,214.62
  5. Step 5: Solve for x
    x = 260,012,439,214.62/527,698.60
  6. Step 6: Final answer
    x = 492,729.07

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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.