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Finding the Fourth Proportional to 437,254.59, 654,399.28 and 268,880.70

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Solution

The fourth proportional to 437,254.59, 654,399.28 and 268,880.70 is: 402,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,254.59 : 654,399.28 = 268,880.70 : x
  2. Step 2: Convert to fraction form
    437,254.59/654,399.28 = 268,880.70/x
  3. Step 3: Cross multiply
    437,254.59x = 654,399.28 × 268,880.70
  4. Step 4: Simplify right side
    437,254.59x = 175,955,336,485.90
  5. Step 5: Solve for x
    x = 175,955,336,485.90/437,254.59
  6. Step 6: Final answer
    x = 402,409.35

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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.