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Finding the Fourth Proportional to 608,520.84, 839,742.96 and 336,582

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Solution

The fourth proportional to 608,520.84, 839,742.96 and 336,582 is: 464,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,520.84 : 839,742.96 = 336,582 : x
  2. Step 2: Convert to fraction form
    608,520.84/839,742.96 = 336,582/x
  3. Step 3: Cross multiply
    608,520.84x = 839,742.96 × 336,582
  4. Step 4: Simplify right side
    608,520.84x = 282,642,364,962.72
  5. Step 5: Solve for x
    x = 282,642,364,962.72/608,520.84
  6. Step 6: Final answer
    x = 464,474.42

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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.