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Finding the Fourth Proportional to 247,223.42, 370,835 and 234,601.68

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Solution

The fourth proportional to 247,223.42, 370,835 and 234,601.68 is: 351,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,223.42 : 370,835 = 234,601.68 : x
  2. Step 2: Convert to fraction form
    247,223.42/370,835 = 234,601.68/x
  3. Step 3: Cross multiply
    247,223.42x = 370,835 × 234,601.68
  4. Step 4: Simplify right side
    247,223.42x = 86,998,514,002.80
  5. Step 5: Solve for x
    x = 86,998,514,002.80/247,223.42
  6. Step 6: Final answer
    x = 351,902.40

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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.