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Finding the Fourth Proportional to 587,144.40, 880,716.60 and 365,653.20

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Solution

The fourth proportional to 587,144.40, 880,716.60 and 365,653.20 is: 548,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,144.40 : 880,716.60 = 365,653.20 : x
  2. Step 2: Convert to fraction form
    587,144.40/880,716.60 = 365,653.20/x
  3. Step 3: Cross multiply
    587,144.40x = 880,716.60 × 365,653.20
  4. Step 4: Simplify right side
    587,144.40x = 322,036,843,083.12
  5. Step 5: Solve for x
    x = 322,036,843,083.12/587,144.40
  6. Step 6: Final answer
    x = 548,479.80

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Similar ratio
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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.