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Finding the Fourth Proportional to 650,665.48, 897,937.36 and 364,178.20

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Solution

The fourth proportional to 650,665.48, 897,937.36 and 364,178.20 is: 502,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,665.48 : 897,937.36 = 364,178.20 : x
  2. Step 2: Convert to fraction form
    650,665.48/897,937.36 = 364,178.20/x
  3. Step 3: Cross multiply
    650,665.48x = 897,937.36 × 364,178.20
  4. Step 4: Simplify right side
    650,665.48x = 327,009,211,477.55
  5. Step 5: Solve for x
    x = 327,009,211,477.55/650,665.48
  6. Step 6: Final answer
    x = 502,576.55

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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.