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Finding the Fourth Proportional to 568,045.90, 852,068.85 and 287,526.70

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Solution

The fourth proportional to 568,045.90, 852,068.85 and 287,526.70 is: 431,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,045.90 : 852,068.85 = 287,526.70 : x
  2. Step 2: Convert to fraction form
    568,045.90/852,068.85 = 287,526.70/x
  3. Step 3: Cross multiply
    568,045.90x = 852,068.85 × 287,526.70
  4. Step 4: Simplify right side
    568,045.90x = 244,992,544,613.30
  5. Step 5: Solve for x
    x = 244,992,544,613.30/568,045.90
  6. Step 6: Final answer
    x = 431,290.05

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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.