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Finding the Fourth Proportional to 454,665.77, 627,329.04 and 293,486.30

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Solution

The fourth proportional to 454,665.77, 627,329.04 and 293,486.30 is: 404,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,665.77 : 627,329.04 = 293,486.30 : x
  2. Step 2: Convert to fraction form
    454,665.77/627,329.04 = 293,486.30/x
  3. Step 3: Cross multiply
    454,665.77x = 627,329.04 × 293,486.30
  4. Step 4: Simplify right side
    454,665.77x = 184,112,478,832.15
  5. Step 5: Solve for x
    x = 184,112,478,832.15/454,665.77
  6. Step 6: Final answer
    x = 404,940.27

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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.