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Finding the Fourth Proportional to 720,589.52, 994,171.08 and 466,262.48

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Solution

The fourth proportional to 720,589.52, 994,171.08 and 466,262.48 is: 643,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,589.52 : 994,171.08 = 466,262.48 : x
  2. Step 2: Convert to fraction form
    720,589.52/994,171.08 = 466,262.48/x
  3. Step 3: Cross multiply
    720,589.52x = 994,171.08 × 466,262.48
  4. Step 4: Simplify right side
    720,589.52x = 463,544,673,305.08
  5. Step 5: Solve for x
    x = 463,544,673,305.08/720,589.52
  6. Step 6: Final answer
    x = 643,285.34

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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.