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Finding the Fourth Proportional to 294,515.60, 441,773.40 and 272,864.30

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Solution

The fourth proportional to 294,515.60, 441,773.40 and 272,864.30 is: 409,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,515.60 : 441,773.40 = 272,864.30 : x
  2. Step 2: Convert to fraction form
    294,515.60/441,773.40 = 272,864.30/x
  3. Step 3: Cross multiply
    294,515.60x = 441,773.40 × 272,864.30
  4. Step 4: Simplify right side
    294,515.60x = 120,544,189,549.62
  5. Step 5: Solve for x
    x = 120,544,189,549.62/294,515.60
  6. Step 6: Final answer
    x = 409,296.45

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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.