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Finding the Fourth Proportional to 454,429.80, 627,159.78 and 273,200.76

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Solution

The fourth proportional to 454,429.80, 627,159.78 and 273,200.76 is: 377,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,429.80 : 627,159.78 = 273,200.76 : x
  2. Step 2: Convert to fraction form
    454,429.80/627,159.78 = 273,200.76/x
  3. Step 3: Cross multiply
    454,429.80x = 627,159.78 × 273,200.76
  4. Step 4: Simplify right side
    454,429.80x = 171,340,528,537.43
  5. Step 5: Solve for x
    x = 171,340,528,537.43/454,429.80
  6. Step 6: Final answer
    x = 377,045.10

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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.