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Finding the Fourth Proportional to 535,888.16, 739,563.04 and 354,284.56

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Solution

The fourth proportional to 535,888.16, 739,563.04 and 354,284.56 is: 488,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,888.16 : 739,563.04 = 354,284.56 : x
  2. Step 2: Convert to fraction form
    535,888.16/739,563.04 = 354,284.56/x
  3. Step 3: Cross multiply
    535,888.16x = 739,563.04 × 354,284.56
  4. Step 4: Simplify right side
    535,888.16x = 262,015,766,218.66
  5. Step 5: Solve for x
    x = 262,015,766,218.66/535,888.16
  6. Step 6: Final answer
    x = 488,937.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.