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Finding the Fourth Proportional to 503,384.76, 754,851.06 and 148,274.28

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Solution

The fourth proportional to 503,384.76, 754,851.06 and 148,274.28 is: 222,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,384.76 : 754,851.06 = 148,274.28 : x
  2. Step 2: Convert to fraction form
    503,384.76/754,851.06 = 148,274.28/x
  3. Step 3: Cross multiply
    503,384.76x = 754,851.06 × 148,274.28
  4. Step 4: Simplify right side
    503,384.76x = 111,924,997,428.74
  5. Step 5: Solve for x
    x = 111,924,997,428.74/503,384.76
  6. Step 6: Final answer
    x = 222,344.83

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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.