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Finding the Fourth Proportional to 632,862.19, 873,343.17 and 342,467.40

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Solution

The fourth proportional to 632,862.19, 873,343.17 and 342,467.40 is: 472,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,862.19 : 873,343.17 = 342,467.40 : x
  2. Step 2: Convert to fraction form
    632,862.19/873,343.17 = 342,467.40/x
  3. Step 3: Cross multiply
    632,862.19x = 873,343.17 × 342,467.40
  4. Step 4: Simplify right side
    632,862.19x = 299,091,564,737.66
  5. Step 5: Solve for x
    x = 299,091,564,737.66/632,862.19
  6. Step 6: Final answer
    x = 472,601.41

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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.