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Finding the Fourth Proportional to 483,119.52, 727,572.75 and 440,024.28

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Solution

The fourth proportional to 483,119.52, 727,572.75 and 440,024.28 is: 662,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,119.52 : 727,572.75 = 440,024.28 : x
  2. Step 2: Convert to fraction form
    483,119.52/727,572.75 = 440,024.28/x
  3. Step 3: Cross multiply
    483,119.52x = 727,572.75 × 440,024.28
  4. Step 4: Simplify right side
    483,119.52x = 320,149,675,466.37
  5. Step 5: Solve for x
    x = 320,149,675,466.37/483,119.52
  6. Step 6: Final answer
    x = 662,671.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.