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Finding the Fourth Proportional to 552,670.40, 827,839.20 and 433,697.60

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Solution

The fourth proportional to 552,670.40, 827,839.20 and 433,697.60 is: 649,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,670.40 : 827,839.20 = 433,697.60 : x
  2. Step 2: Convert to fraction form
    552,670.40/827,839.20 = 433,697.60/x
  3. Step 3: Cross multiply
    552,670.40x = 827,839.20 × 433,697.60
  4. Step 4: Simplify right side
    552,670.40x = 359,031,874,225.92
  5. Step 5: Solve for x
    x = 359,031,874,225.92/552,670.40
  6. Step 6: Final answer
    x = 649,631.09

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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.