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Finding the Fourth Proportional to 294,099.40, 441,440.70 and 144,508.60

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Solution

The fourth proportional to 294,099.40, 441,440.70 and 144,508.60 is: 216,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,099.40 : 441,440.70 = 144,508.60 : x
  2. Step 2: Convert to fraction form
    294,099.40/441,440.70 = 144,508.60/x
  3. Step 3: Cross multiply
    294,099.40x = 441,440.70 × 144,508.60
  4. Step 4: Simplify right side
    294,099.40x = 63,791,977,540.02
  5. Step 5: Solve for x
    x = 63,791,977,540.02/294,099.40
  6. Step 6: Final answer
    x = 216,906.18

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1.5x scale

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.