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Finding the Fourth Proportional to 569,897.70, 854,155.35 and 254,019.30

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Solution

The fourth proportional to 569,897.70, 854,155.35 and 254,019.30 is: 380,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,897.70 : 854,155.35 = 254,019.30 : x
  2. Step 2: Convert to fraction form
    569,897.70/854,155.35 = 254,019.30/x
  3. Step 3: Cross multiply
    569,897.70x = 854,155.35 × 254,019.30
  4. Step 4: Simplify right side
    569,897.70x = 216,971,944,098.26
  5. Step 5: Solve for x
    x = 216,971,944,098.26/569,897.70
  6. Step 6: Final answer
    x = 380,720.86

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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.