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Finding the Fourth Proportional to 574,872.72, 793,325.10 and 313,226.64

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Solution

The fourth proportional to 574,872.72, 793,325.10 and 313,226.64 is: 432,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,872.72 : 793,325.10 = 313,226.64 : x
  2. Step 2: Convert to fraction form
    574,872.72/793,325.10 = 313,226.64/x
  3. Step 3: Cross multiply
    574,872.72x = 793,325.10 × 313,226.64
  4. Step 4: Simplify right side
    574,872.72x = 248,490,555,500.66
  5. Step 5: Solve for x
    x = 248,490,555,500.66/574,872.72
  6. Step 6: Final answer
    x = 432,253.17

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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.