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Finding the Fourth Proportional to 570,257.39, 854,441.52 and 400,950.51

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Solution

The fourth proportional to 570,257.39, 854,441.52 and 400,950.51 is: 600,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,257.39 : 854,441.52 = 400,950.51 : x
  2. Step 2: Convert to fraction form
    570,257.39/854,441.52 = 400,950.51/x
  3. Step 3: Cross multiply
    570,257.39x = 854,441.52 × 400,950.51
  4. Step 4: Simplify right side
    570,257.39x = 342,588,763,209.18
  5. Step 5: Solve for x
    x = 342,588,763,209.18/570,257.39
  6. Step 6: Final answer
    x = 600,761.64

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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.