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Finding the Fourth Proportional to 570,143.26, 854,962.17 and 303,854.14

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Solution

The fourth proportional to 570,143.26, 854,962.17 and 303,854.14 is: 455,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,143.26 : 854,962.17 = 303,854.14 : x
  2. Step 2: Convert to fraction form
    570,143.26/854,962.17 = 303,854.14/x
  3. Step 3: Cross multiply
    570,143.26x = 854,962.17 × 303,854.14
  4. Step 4: Simplify right side
    570,143.26x = 259,783,794,897.88
  5. Step 5: Solve for x
    x = 259,783,794,897.88/570,143.26
  6. Step 6: Final answer
    x = 455,646.52

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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.