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Finding the Fourth Proportional to 456,995.58, 630,660.58 and 263,296.42

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Solution

The fourth proportional to 456,995.58, 630,660.58 and 263,296.42 is: 363,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,995.58 : 630,660.58 = 263,296.42 : x
  2. Step 2: Convert to fraction form
    456,995.58/630,660.58 = 263,296.42/x
  3. Step 3: Cross multiply
    456,995.58x = 630,660.58 × 263,296.42
  4. Step 4: Simplify right side
    456,995.58x = 166,050,672,949.12
  5. Step 5: Solve for x
    x = 166,050,672,949.12/456,995.58
  6. Step 6: Final answer
    x = 363,352.91

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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.