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Finding the Fourth Proportional to 231,707.40, 346,977.90 and 152,392.20

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Solution

The fourth proportional to 231,707.40, 346,977.90 and 152,392.20 is: 228,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,707.40 : 346,977.90 = 152,392.20 : x
  2. Step 2: Convert to fraction form
    231,707.40/346,977.90 = 152,392.20/x
  3. Step 3: Cross multiply
    231,707.40x = 346,977.90 × 152,392.20
  4. Step 4: Simplify right side
    231,707.40x = 52,876,725,532.38
  5. Step 5: Solve for x
    x = 52,876,725,532.38/231,707.40
  6. Step 6: Final answer
    x = 228,204.73

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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.