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Finding the Fourth Proportional to 462,039.26, 637,635.39 and 255,336.71

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Solution

The fourth proportional to 462,039.26, 637,635.39 and 255,336.71 is: 352,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,039.26 : 637,635.39 = 255,336.71 : x
  2. Step 2: Convert to fraction form
    462,039.26/637,635.39 = 255,336.71/x
  3. Step 3: Cross multiply
    462,039.26x = 637,635.39 × 255,336.71
  4. Step 4: Simplify right side
    462,039.26x = 162,811,722,662.17
  5. Step 5: Solve for x
    x = 162,811,722,662.17/462,039.26
  6. Step 6: Final answer
    x = 352,376.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.