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Finding the Fourth Proportional to 608,632.93, 839,938.20 and 336,696.16

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Solution

The fourth proportional to 608,632.93, 839,938.20 and 336,696.16 is: 464,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,632.93 : 839,938.20 = 336,696.16 : x
  2. Step 2: Convert to fraction form
    608,632.93/839,938.20 = 336,696.16/x
  3. Step 3: Cross multiply
    608,632.93x = 839,938.20 × 336,696.16
  4. Step 4: Simplify right side
    608,632.93x = 282,803,962,377.62
  5. Step 5: Solve for x
    x = 282,803,962,377.62/608,632.93
  6. Step 6: Final answer
    x = 464,654.39

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Double scale
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Similar ratio
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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.