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Finding the Fourth Proportional to 550,534.32, 759,010.26 and 359,215.56

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Solution

The fourth proportional to 550,534.32, 759,010.26 and 359,215.56 is: 495,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,534.32 : 759,010.26 = 359,215.56 : x
  2. Step 2: Convert to fraction form
    550,534.32/759,010.26 = 359,215.56/x
  3. Step 3: Cross multiply
    550,534.32x = 759,010.26 × 359,215.56
  4. Step 4: Simplify right side
    550,534.32x = 272,648,295,591.65
  5. Step 5: Solve for x
    x = 272,648,295,591.65/550,534.32
  6. Step 6: Final answer
    x = 495,243.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.