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Finding the Fourth Proportional to 355,073.32, 532,003.74 and 195,283

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Solution

The fourth proportional to 355,073.32, 532,003.74 and 195,283 is: 292,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,073.32 : 532,003.74 = 195,283 : x
  2. Step 2: Convert to fraction form
    355,073.32/532,003.74 = 195,283/x
  3. Step 3: Cross multiply
    355,073.32x = 532,003.74 × 195,283
  4. Step 4: Simplify right side
    355,073.32x = 103,891,286,358.42
  5. Step 5: Solve for x
    x = 103,891,286,358.42/355,073.32
  6. Step 6: Final answer
    x = 292,591.08

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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.