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Finding the Fourth Proportional to 831,930.67, 1,248,034.04 and 292,047

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Solution

The fourth proportional to 831,930.67, 1,248,034.04 and 292,047 is: 438,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,930.67 : 1,248,034.04 = 292,047 : x
  2. Step 2: Convert to fraction form
    831,930.67/1,248,034.04 = 292,047/x
  3. Step 3: Cross multiply
    831,930.67x = 1,248,034.04 × 292,047
  4. Step 4: Simplify right side
    831,930.67x = 364,484,595,819.65
  5. Step 5: Solve for x
    x = 364,484,595,819.65/831,930.67
  6. Step 6: Final answer
    x = 438,118.96

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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.