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Finding the Fourth Proportional to 325,864.66, 449,719.85 and 180,715.90

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Solution

The fourth proportional to 325,864.66, 449,719.85 and 180,715.90 is: 249,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,864.66 : 449,719.85 = 180,715.90 : x
  2. Step 2: Convert to fraction form
    325,864.66/449,719.85 = 180,715.90/x
  3. Step 3: Cross multiply
    325,864.66x = 449,719.85 × 180,715.90
  4. Step 4: Simplify right side
    325,864.66x = 81,271,526,090.42
  5. Step 5: Solve for x
    x = 81,271,526,090.42/325,864.66
  6. Step 6: Final answer
    x = 249,402.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.