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Finding the Fourth Proportional to 632,714.54, 873,142.25 and 342,325.13

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Solution

The fourth proportional to 632,714.54, 873,142.25 and 342,325.13 is: 472,406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,714.54 : 873,142.25 = 342,325.13 : x
  2. Step 2: Convert to fraction form
    632,714.54/873,142.25 = 342,325.13/x
  3. Step 3: Cross multiply
    632,714.54x = 873,142.25 × 342,325.13
  4. Step 4: Simplify right side
    632,714.54x = 298,898,528,162.41
  5. Step 5: Solve for x
    x = 298,898,528,162.41/632,714.54
  6. Step 6: Final answer
    x = 472,406.61

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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.