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Finding the Fourth Proportional to 436,369.84, 602,186.61 and 245,379.13

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Solution

The fourth proportional to 436,369.84, 602,186.61 and 245,379.13 is: 338,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,369.84 : 602,186.61 = 245,379.13 : x
  2. Step 2: Convert to fraction form
    436,369.84/602,186.61 = 245,379.13/x
  3. Step 3: Cross multiply
    436,369.84x = 602,186.61 × 245,379.13
  4. Step 4: Simplify right side
    436,369.84x = 147,764,026,459.45
  5. Step 5: Solve for x
    x = 147,764,026,459.45/436,369.84
  6. Step 6: Final answer
    x = 338,621.08

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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.