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Finding the Fourth Proportional to 608,215.84, 839,323.08 and 336,276.72

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Solution

The fourth proportional to 608,215.84, 839,323.08 and 336,276.72 is: 464,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,215.84 : 839,323.08 = 336,276.72 : x
  2. Step 2: Convert to fraction form
    608,215.84/839,323.08 = 336,276.72/x
  3. Step 3: Cross multiply
    608,215.84x = 839,323.08 × 336,276.72
  4. Step 4: Simplify right side
    608,215.84x = 282,244,812,362.70
  5. Step 5: Solve for x
    x = 282,244,812,362.70/608,215.84
  6. Step 6: Final answer
    x = 464,053.70

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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.