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Finding the Fourth Proportional to 456,565.26, 630,078.65 and 252,612.88

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Solution

The fourth proportional to 456,565.26, 630,078.65 and 252,612.88 is: 348,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,565.26 : 630,078.65 = 252,612.88 : x
  2. Step 2: Convert to fraction form
    456,565.26/630,078.65 = 252,612.88/x
  3. Step 3: Cross multiply
    456,565.26x = 630,078.65 × 252,612.88
  4. Step 4: Simplify right side
    456,565.26x = 159,165,980,512.05
  5. Step 5: Solve for x
    x = 159,165,980,512.05/456,565.26
  6. Step 6: Final answer
    x = 348,616.06

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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.