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Finding the Fourth Proportional to 456,714.16, 630,249.86 and 252,773.58

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Solution

The fourth proportional to 456,714.16, 630,249.86 and 252,773.58 is: 348,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,714.16 : 630,249.86 = 252,773.58 : x
  2. Step 2: Convert to fraction form
    456,714.16/630,249.86 = 252,773.58/x
  3. Step 3: Cross multiply
    456,714.16x = 630,249.86 × 252,773.58
  4. Step 4: Simplify right side
    456,714.16x = 159,310,513,406.70
  5. Step 5: Solve for x
    x = 159,310,513,406.70/456,714.16
  6. Step 6: Final answer
    x = 348,818.86

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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.