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Finding the Fourth Proportional to 570,071.70, 854,543.55 and 270,024.90

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Solution

The fourth proportional to 570,071.70, 854,543.55 and 270,024.90 is: 404,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,071.70 : 854,543.55 = 270,024.90 : x
  2. Step 2: Convert to fraction form
    570,071.70/854,543.55 = 270,024.90/x
  3. Step 3: Cross multiply
    570,071.70x = 854,543.55 × 270,024.90
  4. Step 4: Simplify right side
    570,071.70x = 230,748,036,634.40
  5. Step 5: Solve for x
    x = 230,748,036,634.40/570,071.70
  6. Step 6: Final answer
    x = 404,770.20

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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.