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Finding the Fourth Proportional to 675,879.12, 932,742.60 and 374,073.04

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Solution

The fourth proportional to 675,879.12, 932,742.60 and 374,073.04 is: 516,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,879.12 : 932,742.60 = 374,073.04 : x
  2. Step 2: Convert to fraction form
    675,879.12/932,742.60 = 374,073.04/x
  3. Step 3: Cross multiply
    675,879.12x = 932,742.60 × 374,073.04
  4. Step 4: Simplify right side
    675,879.12x = 348,913,859,919.50
  5. Step 5: Solve for x
    x = 348,913,859,919.50/675,879.12
  6. Step 6: Final answer
    x = 516,237.07

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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.