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Finding the Fourth Proportional to 234,392.40, 323,465.40 and 132,397.20

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Solution

The fourth proportional to 234,392.40, 323,465.40 and 132,397.20 is: 182,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,392.40 : 323,465.40 = 132,397.20 : x
  2. Step 2: Convert to fraction form
    234,392.40/323,465.40 = 132,397.20/x
  3. Step 3: Cross multiply
    234,392.40x = 323,465.40 × 132,397.20
  4. Step 4: Simplify right side
    234,392.40x = 42,825,913,256.88
  5. Step 5: Solve for x
    x = 42,825,913,256.88/234,392.40
  6. Step 6: Final answer
    x = 182,710.33

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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.