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Finding the Fourth Proportional to 627,702.54, 866,235.06 and 341,223.09

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Solution

The fourth proportional to 627,702.54, 866,235.06 and 341,223.09 is: 470,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,702.54 : 866,235.06 = 341,223.09 : x
  2. Step 2: Convert to fraction form
    627,702.54/866,235.06 = 341,223.09/x
  3. Step 3: Cross multiply
    627,702.54x = 866,235.06 × 341,223.09
  4. Step 4: Simplify right side
    627,702.54x = 295,579,403,839.54
  5. Step 5: Solve for x
    x = 295,579,403,839.54/627,702.54
  6. Step 6: Final answer
    x = 470,890.88

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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.