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Finding the Fourth Proportional to 491,144.04, 736,998.48 and 206,812.17

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Solution

The fourth proportional to 491,144.04, 736,998.48 and 206,812.17 is: 310,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,144.04 : 736,998.48 = 206,812.17 : x
  2. Step 2: Convert to fraction form
    491,144.04/736,998.48 = 206,812.17/x
  3. Step 3: Cross multiply
    491,144.04x = 736,998.48 × 206,812.17
  4. Step 4: Simplify right side
    491,144.04x = 152,420,254,935.50
  5. Step 5: Solve for x
    x = 152,420,254,935.50/491,144.04
  6. Step 6: Final answer
    x = 310,337.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.