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Finding the Fourth Proportional to 454,707.99, 627,488.73 and 250,777.74

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Solution

The fourth proportional to 454,707.99, 627,488.73 and 250,777.74 is: 346,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,707.99 : 627,488.73 = 250,777.74 : x
  2. Step 2: Convert to fraction form
    454,707.99/627,488.73 = 250,777.74/x
  3. Step 3: Cross multiply
    454,707.99x = 627,488.73 × 250,777.74
  4. Step 4: Simplify right side
    454,707.99x = 157,360,205,584.87
  5. Step 5: Solve for x
    x = 157,360,205,584.87/454,707.99
  6. Step 6: Final answer
    x = 346,068.71

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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.