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Finding the Fourth Proportional to 456,677.62, 630,192.63 and 252,724.78

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Solution

The fourth proportional to 456,677.62, 630,192.63 and 252,724.78 is: 348,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,677.62 : 630,192.63 = 252,724.78 : x
  2. Step 2: Convert to fraction form
    456,677.62/630,192.63 = 252,724.78/x
  3. Step 3: Cross multiply
    456,677.62x = 630,192.63 × 252,724.78
  4. Step 4: Simplify right side
    456,677.62x = 159,265,293,774.37
  5. Step 5: Solve for x
    x = 159,265,293,774.37/456,677.62
  6. Step 6: Final answer
    x = 348,747.75

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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.