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Finding the Fourth Proportional to 616,222.80, 924,334.20 and 367,390.80

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Solution

The fourth proportional to 616,222.80, 924,334.20 and 367,390.80 is: 551,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,222.80 : 924,334.20 = 367,390.80 : x
  2. Step 2: Convert to fraction form
    616,222.80/924,334.20 = 367,390.80/x
  3. Step 3: Cross multiply
    616,222.80x = 924,334.20 × 367,390.80
  4. Step 4: Simplify right side
    616,222.80x = 339,591,881,205.36
  5. Step 5: Solve for x
    x = 339,591,881,205.36/616,222.80
  6. Step 6: Final answer
    x = 551,086.20

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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.