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Finding the Fourth Proportional to 499,095.60, 748,675.80 and 262,899.60

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Solution

The fourth proportional to 499,095.60, 748,675.80 and 262,899.60 is: 394,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,095.60 : 748,675.80 = 262,899.60 : x
  2. Step 2: Convert to fraction form
    499,095.60/748,675.80 = 262,899.60/x
  3. Step 3: Cross multiply
    499,095.60x = 748,675.80 × 262,899.60
  4. Step 4: Simplify right side
    499,095.60x = 196,826,568,349.68
  5. Step 5: Solve for x
    x = 196,826,568,349.68/499,095.60
  6. Step 6: Final answer
    x = 394,366.47

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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.