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Finding the Fourth Proportional to 295,123.20, 442,684.80 and 73,507.20

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Solution

The fourth proportional to 295,123.20, 442,684.80 and 73,507.20 is: 110,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,123.20 : 442,684.80 = 73,507.20 : x
  2. Step 2: Convert to fraction form
    295,123.20/442,684.80 = 73,507.20/x
  3. Step 3: Cross multiply
    295,123.20x = 442,684.80 × 73,507.20
  4. Step 4: Simplify right side
    295,123.20x = 32,540,520,130.56
  5. Step 5: Solve for x
    x = 32,540,520,130.56/295,123.20
  6. Step 6: Final answer
    x = 110,260.80

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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.