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Finding the Fourth Proportional to 608,255.81, 839,333.76 and 336,286.47

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Solution

The fourth proportional to 608,255.81, 839,333.76 and 336,286.47 is: 464,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,255.81 : 839,333.76 = 336,286.47 : x
  2. Step 2: Convert to fraction form
    608,255.81/839,333.76 = 336,286.47/x
  3. Step 3: Cross multiply
    608,255.81x = 839,333.76 × 336,286.47
  4. Step 4: Simplify right side
    608,255.81x = 282,256,587,302.23
  5. Step 5: Solve for x
    x = 282,256,587,302.23/608,255.81
  6. Step 6: Final answer
    x = 464,042.57

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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.