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Finding the Fourth Proportional to 463,727.20, 695,590.80 and 322,009.60

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Solution

The fourth proportional to 463,727.20, 695,590.80 and 322,009.60 is: 483,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,727.20 : 695,590.80 = 322,009.60 : x
  2. Step 2: Convert to fraction form
    463,727.20/695,590.80 = 322,009.60/x
  3. Step 3: Cross multiply
    463,727.20x = 695,590.80 × 322,009.60
  4. Step 4: Simplify right side
    463,727.20x = 223,986,915,271.68
  5. Step 5: Solve for x
    x = 223,986,915,271.68/463,727.20
  6. Step 6: Final answer
    x = 483,014.40

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Similar ratio
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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.