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Finding the Fourth Proportional to 568,980.64, 854,006.64 and 288,699.04

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Solution

The fourth proportional to 568,980.64, 854,006.64 and 288,699.04 is: 433,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,980.64 : 854,006.64 = 288,699.04 : x
  2. Step 2: Convert to fraction form
    568,980.64/854,006.64 = 288,699.04/x
  3. Step 3: Cross multiply
    568,980.64x = 854,006.64 × 288,699.04
  4. Step 4: Simplify right side
    568,980.64x = 246,550,897,121.63
  5. Step 5: Solve for x
    x = 246,550,897,121.63/568,980.64
  6. Step 6: Final answer
    x = 433,320.36

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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.