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Finding the Fourth Proportional to 574,872.10, 793,341.49 and 329,901.68

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Solution

The fourth proportional to 574,872.10, 793,341.49 and 329,901.68 is: 455,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,872.10 : 793,341.49 = 329,901.68 : x
  2. Step 2: Convert to fraction form
    574,872.10/793,341.49 = 329,901.68/x
  3. Step 3: Cross multiply
    574,872.10x = 793,341.49 × 329,901.68
  4. Step 4: Simplify right side
    574,872.10x = 261,724,687,679.32
  5. Step 5: Solve for x
    x = 261,724,687,679.32/574,872.10
  6. Step 6: Final answer
    x = 455,274.64

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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.