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Finding the Fourth Proportional to 608,294.16, 839,109.24 and 353,617.20

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Solution

The fourth proportional to 608,294.16, 839,109.24 and 353,617.20 is: 487,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,294.16 : 839,109.24 = 353,617.20 : x
  2. Step 2: Convert to fraction form
    608,294.16/839,109.24 = 353,617.20/x
  3. Step 3: Cross multiply
    608,294.16x = 839,109.24 × 353,617.20
  4. Step 4: Simplify right side
    608,294.16x = 296,723,459,942.93
  5. Step 5: Solve for x
    x = 296,723,459,942.93/608,294.16
  6. Step 6: Final answer
    x = 487,796.00

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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.