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Finding the Fourth Proportional to 650,638.64, 897,881.22 and 364,158.79

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Solution

The fourth proportional to 650,638.64, 897,881.22 and 364,158.79 is: 502,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,638.64 : 897,881.22 = 364,158.79 : x
  2. Step 2: Convert to fraction form
    650,638.64/897,881.22 = 364,158.79/x
  3. Step 3: Cross multiply
    650,638.64x = 897,881.22 × 364,158.79
  4. Step 4: Simplify right side
    650,638.64x = 326,971,336,394.22
  5. Step 5: Solve for x
    x = 326,971,336,394.22/650,638.64
  6. Step 6: Final answer
    x = 502,539.07

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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.