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Finding the Fourth Proportional to 351,248.80, 526,873.20 and 225,277.60

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Solution

The fourth proportional to 351,248.80, 526,873.20 and 225,277.60 is: 337,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,248.80 : 526,873.20 = 225,277.60 : x
  2. Step 2: Convert to fraction form
    351,248.80/526,873.20 = 225,277.60/x
  3. Step 3: Cross multiply
    351,248.80x = 526,873.20 × 225,277.60
  4. Step 4: Simplify right side
    351,248.80x = 118,692,730,000.32
  5. Step 5: Solve for x
    x = 118,692,730,000.32/351,248.80
  6. Step 6: Final answer
    x = 337,916.40

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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.