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Finding the Fourth Proportional to 570,258.60, 854,443.31 and 400,951.75

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Solution

The fourth proportional to 570,258.60, 854,443.31 and 400,951.75 is: 600,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,258.60 : 854,443.31 = 400,951.75 : x
  2. Step 2: Convert to fraction form
    570,258.60/854,443.31 = 400,951.75/x
  3. Step 3: Cross multiply
    570,258.60x = 854,443.31 × 400,951.75
  4. Step 4: Simplify right side
    570,258.60x = 342,590,540,420.29
  5. Step 5: Solve for x
    x = 342,590,540,420.29/570,258.60
  6. Step 6: Final answer
    x = 600,763.48

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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.