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Finding the Fourth Proportional to 423,900.72, 584,838.27 and 262,696.95

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Solution

The fourth proportional to 423,900.72, 584,838.27 and 262,696.95 is: 362,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,900.72 : 584,838.27 = 262,696.95 : x
  2. Step 2: Convert to fraction form
    423,900.72/584,838.27 = 262,696.95/x
  3. Step 3: Cross multiply
    423,900.72x = 584,838.27 × 262,696.95
  4. Step 4: Simplify right side
    423,900.72x = 153,635,229,772.28
  5. Step 5: Solve for x
    x = 153,635,229,772.28/423,900.72
  6. Step 6: Final answer
    x = 362,432.10

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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.