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Finding the Fourth Proportional to 474,927.60, 713,428.20 and 334,959.60

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Solution

The fourth proportional to 474,927.60, 713,428.20 and 334,959.60 is: 503,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,927.60 : 713,428.20 = 334,959.60 : x
  2. Step 2: Convert to fraction form
    474,927.60/713,428.20 = 334,959.60/x
  3. Step 3: Cross multiply
    474,927.60x = 713,428.20 × 334,959.60
  4. Step 4: Simplify right side
    474,927.60x = 238,969,624,500.72
  5. Step 5: Solve for x
    x = 238,969,624,500.72/474,927.60
  6. Step 6: Final answer
    x = 503,170.64

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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.