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Finding the Fourth Proportional to 552,011.20, 828,016.80 and 363,054.40

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Solution

The fourth proportional to 552,011.20, 828,016.80 and 363,054.40 is: 544,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,011.20 : 828,016.80 = 363,054.40 : x
  2. Step 2: Convert to fraction form
    552,011.20/828,016.80 = 363,054.40/x
  3. Step 3: Cross multiply
    552,011.20x = 828,016.80 × 363,054.40
  4. Step 4: Simplify right side
    552,011.20x = 300,615,142,513.92
  5. Step 5: Solve for x
    x = 300,615,142,513.92/552,011.20
  6. Step 6: Final answer
    x = 544,581.60

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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.