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Finding the Fourth Proportional to 294,915.60, 442,373.70 and 73,299.60

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Solution

The fourth proportional to 294,915.60, 442,373.70 and 73,299.60 is: 109,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,915.60 : 442,373.70 = 73,299.60 : x
  2. Step 2: Convert to fraction form
    294,915.60/442,373.70 = 73,299.60/x
  3. Step 3: Cross multiply
    294,915.60x = 442,373.70 × 73,299.60
  4. Step 4: Simplify right side
    294,915.60x = 32,425,815,260.52
  5. Step 5: Solve for x
    x = 32,425,815,260.52/294,915.60
  6. Step 6: Final answer
    x = 109,949.47

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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.