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Finding the Fourth Proportional to 294,903.63, 442,355.72 and 73,287.63

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Solution

The fourth proportional to 294,903.63, 442,355.72 and 73,287.63 is: 109,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,903.63 : 442,355.72 = 73,287.63 : x
  2. Step 2: Convert to fraction form
    294,903.63/442,355.72 = 73,287.63/x
  3. Step 3: Cross multiply
    294,903.63x = 442,355.72 × 73,287.63
  4. Step 4: Simplify right side
    294,903.63x = 32,419,202,335.74
  5. Step 5: Solve for x
    x = 32,419,202,335.74/294,903.63
  6. Step 6: Final answer
    x = 109,931.51

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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.