Home / 305,317.10-457,900.98-238,591.73

Finding the Fourth Proportional to 305,317.10, 457,900.98 and 238,591.73

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Solution

The fourth proportional to 305,317.10, 457,900.98 and 238,591.73 is: 357,829.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,317.10 : 457,900.98 = 238,591.73 : x
  2. Step 2: Convert to fraction form
    305,317.10/457,900.98 = 238,591.73/x
  3. Step 3: Cross multiply
    305,317.10x = 457,900.98 × 238,591.73
  4. Step 4: Simplify right side
    305,317.10x = 109,251,386,986.90
  5. Step 5: Solve for x
    x = 109,251,386,986.90/305,317.10
  6. Step 6: Final answer
    x = 357,829.24

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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.