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Finding the Fourth Proportional to 439,646.08, 606,802.24 and 248,667.52

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Solution

The fourth proportional to 439,646.08, 606,802.24 and 248,667.52 is: 343,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,646.08 : 606,802.24 = 248,667.52 : x
  2. Step 2: Convert to fraction form
    439,646.08/606,802.24 = 248,667.52/x
  3. Step 3: Cross multiply
    439,646.08x = 606,802.24 × 248,667.52
  4. Step 4: Simplify right side
    439,646.08x = 150,892,008,151.25
  5. Step 5: Solve for x
    x = 150,892,008,151.25/439,646.08
  6. Step 6: Final answer
    x = 343,212.45

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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.