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Finding the Fourth Proportional to 608,063.97, 839,115.90 and 336,143.31

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Solution

The fourth proportional to 608,063.97, 839,115.90 and 336,143.31 is: 463,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,063.97 : 839,115.90 = 336,143.31 : x
  2. Step 2: Convert to fraction form
    608,063.97/839,115.90 = 336,143.31/x
  3. Step 3: Cross multiply
    608,063.97x = 839,115.90 × 336,143.31
  4. Step 4: Simplify right side
    608,063.97x = 282,063,196,099.63
  5. Step 5: Solve for x
    x = 282,063,196,099.63/608,063.97
  6. Step 6: Final answer
    x = 463,870.92

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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.