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Finding the Fourth Proportional to 632,617.71, 873,010.52 and 342,229.19

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Solution

The fourth proportional to 632,617.71, 873,010.52 and 342,229.19 is: 472,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,617.71 : 873,010.52 = 342,229.19 : x
  2. Step 2: Convert to fraction form
    632,617.71/873,010.52 = 342,229.19/x
  3. Step 3: Cross multiply
    632,617.71x = 873,010.52 × 342,229.19
  4. Step 4: Simplify right side
    632,617.71x = 298,769,682,492.51
  5. Step 5: Solve for x
    x = 298,769,682,492.51/632,617.71
  6. Step 6: Final answer
    x = 472,275.24

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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.