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Finding the Fourth Proportional to 457,187.60, 630,859.12 and 263,602.56

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Solution

The fourth proportional to 457,187.60, 630,859.12 and 263,602.56 is: 363,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,187.60 : 630,859.12 = 263,602.56 : x
  2. Step 2: Convert to fraction form
    457,187.60/630,859.12 = 263,602.56/x
  3. Step 3: Cross multiply
    457,187.60x = 630,859.12 × 263,602.56
  4. Step 4: Simplify right side
    457,187.60x = 166,296,079,360.85
  5. Step 5: Solve for x
    x = 166,296,079,360.85/457,187.60
  6. Step 6: Final answer
    x = 363,737.07

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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.