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Finding the Fourth Proportional to 403,658.75, 605,573.58 and 119,326.88

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Solution

The fourth proportional to 403,658.75, 605,573.58 and 119,326.88 is: 179,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,658.75 : 605,573.58 = 119,326.88 : x
  2. Step 2: Convert to fraction form
    403,658.75/605,573.58 = 119,326.88/x
  3. Step 3: Cross multiply
    403,658.75x = 605,573.58 × 119,326.88
  4. Step 4: Simplify right side
    403,658.75x = 72,261,205,911.83
  5. Step 5: Solve for x
    x = 72,261,205,911.83/403,658.75
  6. Step 6: Final answer
    x = 179,015.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.