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Finding the Fourth Proportional to 439,482.25, 606,468.66 and 248,499.64

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Solution

The fourth proportional to 439,482.25, 606,468.66 and 248,499.64 is: 342,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,482.25 : 606,468.66 = 248,499.64 : x
  2. Step 2: Convert to fraction form
    439,482.25/606,468.66 = 248,499.64/x
  3. Step 3: Cross multiply
    439,482.25x = 606,468.66 × 248,499.64
  4. Step 4: Simplify right side
    439,482.25x = 150,707,243,681.28
  5. Step 5: Solve for x
    x = 150,707,243,681.28/439,482.25
  6. Step 6: Final answer
    x = 342,919.98

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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.