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Finding the Fourth Proportional to 456,879.02, 630,559.02 and 263,249.64

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Solution

The fourth proportional to 456,879.02, 630,559.02 and 263,249.64 is: 363,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,879.02 : 630,559.02 = 263,249.64 : x
  2. Step 2: Convert to fraction form
    456,879.02/630,559.02 = 263,249.64/x
  3. Step 3: Cross multiply
    456,879.02x = 630,559.02 × 263,249.64
  4. Step 4: Simplify right side
    456,879.02x = 165,994,435,013.75
  5. Step 5: Solve for x
    x = 165,994,435,013.75/456,879.02
  6. Step 6: Final answer
    x = 363,322.52

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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.