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Finding the Fourth Proportional to 552,702.40, 827,887.20 and 433,729.60

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Solution

The fourth proportional to 552,702.40, 827,887.20 and 433,729.60 is: 649,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,702.40 : 827,887.20 = 433,729.60 : x
  2. Step 2: Convert to fraction form
    552,702.40/827,887.20 = 433,729.60/x
  3. Step 3: Cross multiply
    552,702.40x = 827,887.20 × 433,729.60
  4. Step 4: Simplify right side
    552,702.40x = 359,079,184,101.12
  5. Step 5: Solve for x
    x = 359,079,184,101.12/552,702.40
  6. Step 6: Final answer
    x = 649,679.08

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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.