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Finding the Fourth Proportional to 439,624.13, 606,681.29 and 248,633.42

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Solution

The fourth proportional to 439,624.13, 606,681.29 and 248,633.42 is: 343,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,624.13 : 606,681.29 = 248,633.42 : x
  2. Step 2: Convert to fraction form
    439,624.13/606,681.29 = 248,633.42/x
  3. Step 3: Cross multiply
    439,624.13x = 606,681.29 × 248,633.42
  4. Step 4: Simplify right side
    439,624.13x = 150,841,241,570.89
  5. Step 5: Solve for x
    x = 150,841,241,570.89/439,624.13
  6. Step 6: Final answer
    x = 343,114.11

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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.