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Finding the Fourth Proportional to 608,251.30, 839,371.92 and 336,312.30

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Solution

The fourth proportional to 608,251.30, 839,371.92 and 336,312.30 is: 464,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,251.30 : 839,371.92 = 336,312.30 : x
  2. Step 2: Convert to fraction form
    608,251.30/839,371.92 = 336,312.30/x
  3. Step 3: Cross multiply
    608,251.30x = 839,371.92 × 336,312.30
  4. Step 4: Simplify right side
    608,251.30x = 282,291,100,970.62
  5. Step 5: Solve for x
    x = 282,291,100,970.62/608,251.30
  6. Step 6: Final answer
    x = 464,102.75

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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.