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Finding the Fourth Proportional to 454,668.39, 627,495.66 and 273,471.39

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Solution

The fourth proportional to 454,668.39, 627,495.66 and 273,471.39 is: 377,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,668.39 : 627,495.66 = 273,471.39 : x
  2. Step 2: Convert to fraction form
    454,668.39/627,495.66 = 273,471.39/x
  3. Step 3: Cross multiply
    454,668.39x = 627,495.66 × 273,471.39
  4. Step 4: Simplify right side
    454,668.39x = 171,602,110,359.17
  5. Step 5: Solve for x
    x = 171,602,110,359.17/454,668.39
  6. Step 6: Final answer
    x = 377,422.57

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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.