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Finding the Fourth Proportional to 608,486.94, 839,707.02 and 336,566.43

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Solution

The fourth proportional to 608,486.94, 839,707.02 and 336,566.43 is: 464,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,486.94 : 839,707.02 = 336,566.43 : x
  2. Step 2: Convert to fraction form
    608,486.94/839,707.02 = 336,566.43/x
  3. Step 3: Cross multiply
    608,486.94x = 839,707.02 × 336,566.43
  4. Step 4: Simplify right side
    608,486.94x = 282,617,193,967.34
  5. Step 5: Solve for x
    x = 282,617,193,967.34/608,486.94
  6. Step 6: Final answer
    x = 464,458.93

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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.