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Finding the Fourth Proportional to 501,693.20, 752,219.56 and 330,717.59

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Solution

The fourth proportional to 501,693.20, 752,219.56 and 330,717.59 is: 495,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,693.20 : 752,219.56 = 330,717.59 : x
  2. Step 2: Convert to fraction form
    501,693.20/752,219.56 = 330,717.59/x
  3. Step 3: Cross multiply
    501,693.20x = 752,219.56 × 330,717.59
  4. Step 4: Simplify right side
    501,693.20x = 248,772,240,034.06
  5. Step 5: Solve for x
    x = 248,772,240,034.06/501,693.20
  6. Step 6: Final answer
    x = 495,865.28

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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.