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Finding the Fourth Proportional to 608,653.02, 839,966.04 and 336,716.31

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Solution

The fourth proportional to 608,653.02, 839,966.04 and 336,716.31 is: 464,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,653.02 : 839,966.04 = 336,716.31 : x
  2. Step 2: Convert to fraction form
    608,653.02/839,966.04 = 336,716.31/x
  3. Step 3: Cross multiply
    608,653.02x = 839,966.04 × 336,716.31
  4. Step 4: Simplify right side
    608,653.02x = 282,830,265,514.11
  5. Step 5: Solve for x
    x = 282,830,265,514.11/608,653.02
  6. Step 6: Final answer
    x = 464,682.27

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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.