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Finding the Fourth Proportional to 552,010.40, 828,015.60 and 401,544.80

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Solution

The fourth proportional to 552,010.40, 828,015.60 and 401,544.80 is: 602,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,010.40 : 828,015.60 = 401,544.80 : x
  2. Step 2: Convert to fraction form
    552,010.40/828,015.60 = 401,544.80/x
  3. Step 3: Cross multiply
    552,010.40x = 828,015.60 × 401,544.80
  4. Step 4: Simplify right side
    552,010.40x = 332,485,358,498.88
  5. Step 5: Solve for x
    x = 332,485,358,498.88/552,010.40
  6. Step 6: Final answer
    x = 602,317.20

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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.