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Finding the Fourth Proportional to 454,585.59, 627,596.91 and 404,145

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Solution

The fourth proportional to 454,585.59, 627,596.91 and 404,145 is: 557,959.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,585.59 : 627,596.91 = 404,145 : x
  2. Step 2: Convert to fraction form
    454,585.59/627,596.91 = 404,145/x
  3. Step 3: Cross multiply
    454,585.59x = 627,596.91 × 404,145
  4. Step 4: Simplify right side
    454,585.59x = 253,640,153,191.95
  5. Step 5: Solve for x
    x = 253,640,153,191.95/454,585.59
  6. Step 6: Final answer
    x = 557,959.07

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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.