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Finding the Fourth Proportional to 548,860.40, 822,940.20 and 233,154.80

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Solution

The fourth proportional to 548,860.40, 822,940.20 and 233,154.80 is: 349,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,860.40 : 822,940.20 = 233,154.80 : x
  2. Step 2: Convert to fraction form
    548,860.40/822,940.20 = 233,154.80/x
  3. Step 3: Cross multiply
    548,860.40x = 822,940.20 × 233,154.80
  4. Step 4: Simplify right side
    548,860.40x = 191,872,457,742.96
  5. Step 5: Solve for x
    x = 191,872,457,742.96/548,860.40
  6. Step 6: Final answer
    x = 349,583.35

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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.