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Finding the Fourth Proportional to 456,646.28, 630,162.43 and 252,697.07

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Solution

The fourth proportional to 456,646.28, 630,162.43 and 252,697.07 is: 348,716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,646.28 : 630,162.43 = 252,697.07 : x
  2. Step 2: Convert to fraction form
    456,646.28/630,162.43 = 252,697.07/x
  3. Step 3: Cross multiply
    456,646.28x = 630,162.43 × 252,697.07
  4. Step 4: Simplify right side
    456,646.28x = 159,240,195,902.53
  5. Step 5: Solve for x
    x = 159,240,195,902.53/456,646.28
  6. Step 6: Final answer
    x = 348,716.73

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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.