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Finding the Fourth Proportional to 650,320.68, 897,434.74 and 363,839.88

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Solution

The fourth proportional to 650,320.68, 897,434.74 and 363,839.88 is: 502,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,320.68 : 897,434.74 = 363,839.88 : x
  2. Step 2: Convert to fraction form
    650,320.68/897,434.74 = 363,839.88/x
  3. Step 3: Cross multiply
    650,320.68x = 897,434.74 × 363,839.88
  4. Step 4: Simplify right side
    650,320.68x = 326,522,548,109.43
  5. Step 5: Solve for x
    x = 326,522,548,109.43/650,320.68
  6. Step 6: Final answer
    x = 502,094.67

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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.