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Finding the Fourth Proportional to 606,822.60, 910,233.90 and 207,476.40

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Solution

The fourth proportional to 606,822.60, 910,233.90 and 207,476.40 is: 311,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,822.60 : 910,233.90 = 207,476.40 : x
  2. Step 2: Convert to fraction form
    606,822.60/910,233.90 = 207,476.40/x
  3. Step 3: Cross multiply
    606,822.60x = 910,233.90 × 207,476.40
  4. Step 4: Simplify right side
    606,822.60x = 188,852,052,729.96
  5. Step 5: Solve for x
    x = 188,852,052,729.96/606,822.60
  6. Step 6: Final answer
    x = 311,214.60

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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.