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Finding the Fourth Proportional to 568,928.64, 853,928.64 and 288,647.04

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Solution

The fourth proportional to 568,928.64, 853,928.64 and 288,647.04 is: 433,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,928.64 : 853,928.64 = 288,647.04 : x
  2. Step 2: Convert to fraction form
    568,928.64/853,928.64 = 288,647.04/x
  3. Step 3: Cross multiply
    568,928.64x = 853,928.64 × 288,647.04
  4. Step 4: Simplify right side
    568,928.64x = 246,483,974,307.23
  5. Step 5: Solve for x
    x = 246,483,974,307.23/568,928.64
  6. Step 6: Final answer
    x = 433,242.34

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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.