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Finding the Fourth Proportional to 366,822.40, 550,233.60 and 207,390.10

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Solution

The fourth proportional to 366,822.40, 550,233.60 and 207,390.10 is: 311,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,822.40 : 550,233.60 = 207,390.10 : x
  2. Step 2: Convert to fraction form
    366,822.40/550,233.60 = 207,390.10/x
  3. Step 3: Cross multiply
    366,822.40x = 550,233.60 × 207,390.10
  4. Step 4: Simplify right side
    366,822.40x = 114,113,001,327.36
  5. Step 5: Solve for x
    x = 114,113,001,327.36/366,822.40
  6. Step 6: Final answer
    x = 311,085.15

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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.