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Finding the Fourth Proportional to 650,690.15, 897,946.16 and 364,212.59

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Solution

The fourth proportional to 650,690.15, 897,946.16 and 364,212.59 is: 502,609.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,690.15 : 897,946.16 = 364,212.59 : x
  2. Step 2: Convert to fraction form
    650,690.15/897,946.16 = 364,212.59/x
  3. Step 3: Cross multiply
    650,690.15x = 897,946.16 × 364,212.59
  4. Step 4: Simplify right side
    650,690.15x = 327,043,290,303.36
  5. Step 5: Solve for x
    x = 327,043,290,303.36/650,690.15
  6. Step 6: Final answer
    x = 502,609.87

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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.