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Finding the Fourth Proportional to 456,589.18, 630,037.86 and 263,060.20

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Solution

The fourth proportional to 456,589.18, 630,037.86 and 263,060.20 is: 362,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,589.18 : 630,037.86 = 263,060.20 : x
  2. Step 2: Convert to fraction form
    456,589.18/630,037.86 = 263,060.20/x
  3. Step 3: Cross multiply
    456,589.18x = 630,037.86 × 263,060.20
  4. Step 4: Simplify right side
    456,589.18x = 165,737,885,459.17
  5. Step 5: Solve for x
    x = 165,737,885,459.17/456,589.18
  6. Step 6: Final answer
    x = 362,991.27

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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.