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Finding the Fourth Proportional to 456,671.44, 630,193.66 and 252,730.86

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Solution

The fourth proportional to 456,671.44, 630,193.66 and 252,730.86 is: 348,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,671.44 : 630,193.66 = 252,730.86 : x
  2. Step 2: Convert to fraction form
    456,671.44/630,193.66 = 252,730.86/x
  3. Step 3: Cross multiply
    456,671.44x = 630,193.66 × 252,730.86
  4. Step 4: Simplify right side
    456,671.44x = 159,269,385,658.35
  5. Step 5: Solve for x
    x = 159,269,385,658.35/456,671.44
  6. Step 6: Final answer
    x = 348,761.43

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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.