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Finding the Fourth Proportional to 456,616.22, 630,131.15 and 252,675.73

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Solution

The fourth proportional to 456,616.22, 630,131.15 and 252,675.73 is: 348,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,616.22 : 630,131.15 = 252,675.73 : x
  2. Step 2: Convert to fraction form
    456,616.22/630,131.15 = 252,675.73/x
  3. Step 3: Cross multiply
    456,616.22x = 630,131.15 × 252,675.73
  4. Step 4: Simplify right side
    456,616.22x = 159,218,845,483.28
  5. Step 5: Solve for x
    x = 159,218,845,483.28/456,616.22
  6. Step 6: Final answer
    x = 348,692.92

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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.