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Finding the Fourth Proportional to 292,377.30, 403,484.03 and 171,520.64

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Solution

The fourth proportional to 292,377.30, 403,484.03 and 171,520.64 is: 236,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,377.30 : 403,484.03 = 171,520.64 : x
  2. Step 2: Convert to fraction form
    292,377.30/403,484.03 = 171,520.64/x
  3. Step 3: Cross multiply
    292,377.30x = 403,484.03 × 171,520.64
  4. Step 4: Simplify right side
    292,377.30x = 69,205,839,301.43
  5. Step 5: Solve for x
    x = 69,205,839,301.43/292,377.30
  6. Step 6: Final answer
    x = 236,700.46

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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.