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Finding the Fourth Proportional to 439,950.12, 607,180.62 and 248,975.88

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Solution

The fourth proportional to 439,950.12, 607,180.62 and 248,975.88 is: 343,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,950.12 : 607,180.62 = 248,975.88 : x
  2. Step 2: Convert to fraction form
    439,950.12/607,180.62 = 248,975.88/x
  3. Step 3: Cross multiply
    439,950.12x = 607,180.62 × 248,975.88
  4. Step 4: Simplify right side
    439,950.12x = 151,173,329,183.45
  5. Step 5: Solve for x
    x = 151,173,329,183.45/439,950.12
  6. Step 6: Final answer
    x = 343,614.70

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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.