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Finding the Fourth Proportional to 608,715.76, 913,268.04 and 293,204.56

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Solution

The fourth proportional to 608,715.76, 913,268.04 and 293,204.56 is: 439,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,715.76 : 913,268.04 = 293,204.56 : x
  2. Step 2: Convert to fraction form
    608,715.76/913,268.04 = 293,204.56/x
  3. Step 3: Cross multiply
    608,715.76x = 913,268.04 × 293,204.56
  4. Step 4: Simplify right side
    608,715.76x = 267,774,353,830.26
  5. Step 5: Solve for x
    x = 267,774,353,830.26/608,715.76
  6. Step 6: Final answer
    x = 439,900.48

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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.