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Finding the Fourth Proportional to 242,466.20, 334,693.14 and 208,338.20

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Solution

The fourth proportional to 242,466.20, 334,693.14 and 208,338.20 is: 287,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,466.20 : 334,693.14 = 208,338.20 : x
  2. Step 2: Convert to fraction form
    242,466.20/334,693.14 = 208,338.20/x
  3. Step 3: Cross multiply
    242,466.20x = 334,693.14 × 208,338.20
  4. Step 4: Simplify right side
    242,466.20x = 69,729,366,339.95
  5. Step 5: Solve for x
    x = 69,729,366,339.95/242,466.20
  6. Step 6: Final answer
    x = 287,583.86

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1.5x scale

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.