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Finding the Fourth Proportional to 608,155.37, 839,387.64 and 353,653.37

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Solution

The fourth proportional to 608,155.37, 839,387.64 and 353,653.37 is: 488,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,155.37 : 839,387.64 = 353,653.37 : x
  2. Step 2: Convert to fraction form
    608,155.37/839,387.64 = 353,653.37/x
  3. Step 3: Cross multiply
    608,155.37x = 839,387.64 × 353,653.37
  4. Step 4: Simplify right side
    608,155.37x = 296,852,267,622.35
  5. Step 5: Solve for x
    x = 296,852,267,622.35/608,155.37
  6. Step 6: Final answer
    x = 488,119.13

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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.