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Finding the Fourth Proportional to 443,929.28, 665,807.04 and 369,527.36

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Solution

The fourth proportional to 443,929.28, 665,807.04 and 369,527.36 is: 554,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,929.28 : 665,807.04 = 369,527.36 : x
  2. Step 2: Convert to fraction form
    443,929.28/665,807.04 = 369,527.36/x
  3. Step 3: Cross multiply
    443,929.28x = 665,807.04 × 369,527.36
  4. Step 4: Simplify right side
    443,929.28x = 246,033,917,760.61
  5. Step 5: Solve for x
    x = 246,033,917,760.61/443,929.28
  6. Step 6: Final answer
    x = 554,218.72

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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.