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Finding the Fourth Proportional to 591,266.93, 815,949.12 and 336,618.11

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Solution

The fourth proportional to 591,266.93, 815,949.12 and 336,618.11 is: 464,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,266.93 : 815,949.12 = 336,618.11 : x
  2. Step 2: Convert to fraction form
    591,266.93/815,949.12 = 336,618.11/x
  3. Step 3: Cross multiply
    591,266.93x = 815,949.12 × 336,618.11
  4. Step 4: Simplify right side
    591,266.93x = 274,663,246,550.82
  5. Step 5: Solve for x
    x = 274,663,246,550.82/591,266.93
  6. Step 6: Final answer
    x = 464,533.42

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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.