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Finding the Fourth Proportional to 552,986.40, 827,924.40 and 496,999.20

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Solution

The fourth proportional to 552,986.40, 827,924.40 and 496,999.20 is: 744,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,986.40 : 827,924.40 = 496,999.20 : x
  2. Step 2: Convert to fraction form
    552,986.40/827,924.40 = 496,999.20/x
  3. Step 3: Cross multiply
    552,986.40x = 827,924.40 × 496,999.20
  4. Step 4: Simplify right side
    552,986.40x = 411,477,764,460.48
  5. Step 5: Solve for x
    x = 411,477,764,460.48/552,986.40
  6. Step 6: Final answer
    x = 744,101.06

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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.