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Finding the Fourth Proportional to 369,797.30, 554,637.60 and 133,018.10

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Solution

The fourth proportional to 369,797.30, 554,637.60 and 133,018.10 is: 199,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,797.30 : 554,637.60 = 133,018.10 : x
  2. Step 2: Convert to fraction form
    369,797.30/554,637.60 = 133,018.10/x
  3. Step 3: Cross multiply
    369,797.30x = 554,637.60 × 133,018.10
  4. Step 4: Simplify right side
    369,797.30x = 73,776,839,740.56
  5. Step 5: Solve for x
    x = 73,776,839,740.56/369,797.30
  6. Step 6: Final answer
    x = 199,506.16

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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.