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Finding the Fourth Proportional to 608,191.76, 839,299.14 and 336,266.56

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Solution

The fourth proportional to 608,191.76, 839,299.14 and 336,266.56 is: 464,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,191.76 : 839,299.14 = 336,266.56 : x
  2. Step 2: Convert to fraction form
    608,191.76/839,299.14 = 336,266.56/x
  3. Step 3: Cross multiply
    608,191.76x = 839,299.14 × 336,266.56
  4. Step 4: Simplify right side
    608,191.76x = 282,228,234,618.76
  5. Step 5: Solve for x
    x = 282,228,234,618.76/608,191.76
  6. Step 6: Final answer
    x = 464,044.82

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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.