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Finding the Fourth Proportional to 252,017.15, 378,025.73 and 65,028.65

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Solution

The fourth proportional to 252,017.15, 378,025.73 and 65,028.65 is: 97,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,017.15 : 378,025.73 = 65,028.65 : x
  2. Step 2: Convert to fraction form
    252,017.15/378,025.73 = 65,028.65/x
  3. Step 3: Cross multiply
    252,017.15x = 378,025.73 × 65,028.65
  4. Step 4: Simplify right side
    252,017.15x = 24,582,502,562.02
  5. Step 5: Solve for x
    x = 24,582,502,562.02/252,017.15
  6. Step 6: Final answer
    x = 97,542.98

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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.