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Finding the Fourth Proportional to 275,017.22, 412,526.15 and 75,339.32

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Solution

The fourth proportional to 275,017.22, 412,526.15 and 75,339.32 is: 113,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,017.22 : 412,526.15 = 75,339.32 : x
  2. Step 2: Convert to fraction form
    275,017.22/412,526.15 = 75,339.32/x
  3. Step 3: Cross multiply
    275,017.22x = 412,526.15 × 75,339.32
  4. Step 4: Simplify right side
    275,017.22x = 31,079,439,623.22
  5. Step 5: Solve for x
    x = 31,079,439,623.22/275,017.22
  6. Step 6: Final answer
    x = 113,009.07

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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.