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Finding the Fourth Proportional to 454,587, 627,599.16 and 404,146.68

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Solution

The fourth proportional to 454,587, 627,599.16 and 404,146.68 is: 557,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,587 : 627,599.16 = 404,146.68 : x
  2. Step 2: Convert to fraction form
    454,587/627,599.16 = 404,146.68/x
  3. Step 3: Cross multiply
    454,587x = 627,599.16 × 404,146.68
  4. Step 4: Simplify right side
    454,587x = 253,642,116,884.79
  5. Step 5: Solve for x
    x = 253,642,116,884.79/454,587
  6. Step 6: Final answer
    x = 557,961.66

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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.