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Finding the Fourth Proportional to 608,212.90, 839,299.88 and 336,264.94

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Solution

The fourth proportional to 608,212.90, 839,299.88 and 336,264.94 is: 464,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,212.90 : 839,299.88 = 336,264.94 : x
  2. Step 2: Convert to fraction form
    608,212.90/839,299.88 = 336,264.94/x
  3. Step 3: Cross multiply
    608,212.90x = 839,299.88 × 336,264.94
  4. Step 4: Simplify right side
    608,212.90x = 282,227,123,790.21
  5. Step 5: Solve for x
    x = 282,227,123,790.21/608,212.90
  6. Step 6: Final answer
    x = 464,026.86

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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.