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Finding the Fourth Proportional to 342,886.41, 514,526.52 and 267,795.77

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Solution

The fourth proportional to 342,886.41, 514,526.52 and 267,795.77 is: 401,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,886.41 : 514,526.52 = 267,795.77 : x
  2. Step 2: Convert to fraction form
    342,886.41/514,526.52 = 267,795.77/x
  3. Step 3: Cross multiply
    342,886.41x = 514,526.52 × 267,795.77
  4. Step 4: Simplify right side
    342,886.41x = 137,788,023,036.19
  5. Step 5: Solve for x
    x = 137,788,023,036.19/342,886.41
  6. Step 6: Final answer
    x = 401,847.43

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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.