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Finding the Fourth Proportional to 437,243.94, 654,384.48 and 268,870.90

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Solution

The fourth proportional to 437,243.94, 654,384.48 and 268,870.90 is: 402,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,243.94 : 654,384.48 = 268,870.90 : x
  2. Step 2: Convert to fraction form
    437,243.94/654,384.48 = 268,870.90/x
  3. Step 3: Cross multiply
    437,243.94x = 654,384.48 × 268,870.90
  4. Step 4: Simplify right side
    437,243.94x = 175,944,941,439.41
  5. Step 5: Solve for x
    x = 175,944,941,439.41/437,243.94
  6. Step 6: Final answer
    x = 402,395.38

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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.