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Finding the Fourth Proportional to 608,635.48, 839,968.50 and 336,769.48

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Solution

The fourth proportional to 608,635.48, 839,968.50 and 336,769.48 is: 464,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,635.48 : 839,968.50 = 336,769.48 : x
  2. Step 2: Convert to fraction form
    608,635.48/839,968.50 = 336,769.48/x
  3. Step 3: Cross multiply
    608,635.48x = 839,968.50 × 336,769.48
  4. Step 4: Simplify right side
    608,635.48x = 282,875,754,961.38
  5. Step 5: Solve for x
    x = 282,875,754,961.38/608,635.48
  6. Step 6: Final answer
    x = 464,770.40

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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.