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Finding the Fourth Proportional to 472,751.42, 652,427.80 and 268,821.32

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Solution

The fourth proportional to 472,751.42, 652,427.80 and 268,821.32 is: 370,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,751.42 : 652,427.80 = 268,821.32 : x
  2. Step 2: Convert to fraction form
    472,751.42/652,427.80 = 268,821.32/x
  3. Step 3: Cross multiply
    472,751.42x = 652,427.80 × 268,821.32
  4. Step 4: Simplify right side
    472,751.42x = 175,386,498,466.50
  5. Step 5: Solve for x
    x = 175,386,498,466.50/472,751.42
  6. Step 6: Final answer
    x = 370,990.95

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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.