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Finding the Fourth Proportional to 570,439.64, 854,429.25 and 536,902.76

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Solution

The fourth proportional to 570,439.64, 854,429.25 and 536,902.76 is: 804,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,439.64 : 854,429.25 = 536,902.76 : x
  2. Step 2: Convert to fraction form
    570,439.64/854,429.25 = 536,902.76/x
  3. Step 3: Cross multiply
    570,439.64x = 854,429.25 × 536,902.76
  4. Step 4: Simplify right side
    570,439.64x = 458,745,422,549.73
  5. Step 5: Solve for x
    x = 458,745,422,549.73/570,439.64
  6. Step 6: Final answer
    x = 804,196.26

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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.