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Finding the Fourth Proportional to 924,211.20, 1,384,243.20 and 903,475.20

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Solution

The fourth proportional to 924,211.20, 1,384,243.20 and 903,475.20 is: 1,353,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,211.20 : 1,384,243.20 = 903,475.20 : x
  2. Step 2: Convert to fraction form
    924,211.20/1,384,243.20 = 903,475.20/x
  3. Step 3: Cross multiply
    924,211.20x = 1,384,243.20 × 903,475.20
  4. Step 4: Simplify right side
    924,211.20x = 1,250,629,401,968.64
  5. Step 5: Solve for x
    x = 1,250,629,401,968.64/924,211.20
  6. Step 6: Final answer
    x = 1,353,185.72

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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.