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Finding the Fourth Proportional to 472,607.75, 652,172.76 and 268,630.31

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Solution

The fourth proportional to 472,607.75, 652,172.76 and 268,630.31 is: 370,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,607.75 : 652,172.76 = 268,630.31 : x
  2. Step 2: Convert to fraction form
    472,607.75/652,172.76 = 268,630.31/x
  3. Step 3: Cross multiply
    472,607.75x = 652,172.76 × 268,630.31
  4. Step 4: Simplify right side
    472,607.75x = 175,193,367,431.49
  5. Step 5: Solve for x
    x = 175,193,367,431.49/472,607.75
  6. Step 6: Final answer
    x = 370,695.08

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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.