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Finding the Fourth Proportional to 423,851.27, 584,474.67 and 294,935.72

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Solution

The fourth proportional to 423,851.27, 584,474.67 and 294,935.72 is: 406,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,851.27 : 584,474.67 = 294,935.72 : x
  2. Step 2: Convert to fraction form
    423,851.27/584,474.67 = 294,935.72/x
  3. Step 3: Cross multiply
    423,851.27x = 584,474.67 × 294,935.72
  4. Step 4: Simplify right side
    423,851.27x = 172,382,454,695.84
  5. Step 5: Solve for x
    x = 172,382,454,695.84/423,851.27
  6. Step 6: Final answer
    x = 406,705.06

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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.