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Finding the Fourth Proportional to 454,663.77, 627,326.28 and 293,484.30

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Solution

The fourth proportional to 454,663.77, 627,326.28 and 293,484.30 is: 404,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,663.77 : 627,326.28 = 293,484.30 : x
  2. Step 2: Convert to fraction form
    454,663.77/627,326.28 = 293,484.30/x
  3. Step 3: Cross multiply
    454,663.77x = 627,326.28 × 293,484.30
  4. Step 4: Simplify right side
    454,663.77x = 184,110,414,157.40
  5. Step 5: Solve for x
    x = 184,110,414,157.40/454,663.77
  6. Step 6: Final answer
    x = 404,937.51

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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.