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Finding the Fourth Proportional to 627,538.08, 866,008.08 and 341,058.36

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Solution

The fourth proportional to 627,538.08, 866,008.08 and 341,058.36 is: 470,663.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,538.08 : 866,008.08 = 341,058.36 : x
  2. Step 2: Convert to fraction form
    627,538.08/866,008.08 = 341,058.36/x
  3. Step 3: Cross multiply
    627,538.08x = 866,008.08 × 341,058.36
  4. Step 4: Simplify right side
    627,538.08x = 295,359,295,511.55
  5. Step 5: Solve for x
    x = 295,359,295,511.55/627,538.08
  6. Step 6: Final answer
    x = 470,663.54

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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.