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Finding the Fourth Proportional to 454,594, 627,608.82 and 404,153.68

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Solution

The fourth proportional to 454,594, 627,608.82 and 404,153.68 is: 557,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,594 : 627,608.82 = 404,153.68 : x
  2. Step 2: Convert to fraction form
    454,594/627,608.82 = 404,153.68/x
  3. Step 3: Cross multiply
    454,594x = 627,608.82 × 404,153.68
  4. Step 4: Simplify right side
    454,594x = 253,650,414,203.46
  5. Step 5: Solve for x
    x = 253,650,414,203.46/454,594
  6. Step 6: Final answer
    x = 557,971.32

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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.