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Finding the Fourth Proportional to 294,583.60, 441,583.80 and 144,701.20

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Solution

The fourth proportional to 294,583.60, 441,583.80 and 144,701.20 is: 216,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,583.60 : 441,583.80 = 144,701.20 : x
  2. Step 2: Convert to fraction form
    294,583.60/441,583.80 = 144,701.20/x
  3. Step 3: Cross multiply
    294,583.60x = 441,583.80 × 144,701.20
  4. Step 4: Simplify right side
    294,583.60x = 63,897,705,760.56
  5. Step 5: Solve for x
    x = 63,897,705,760.56/294,583.60
  6. Step 6: Final answer
    x = 216,908.56

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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.