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Finding the Fourth Proportional to 574,878.11, 793,349.78 and 329,907.69

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Solution

The fourth proportional to 574,878.11, 793,349.78 and 329,907.69 is: 455,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,878.11 : 793,349.78 = 329,907.69 : x
  2. Step 2: Convert to fraction form
    574,878.11/793,349.78 = 329,907.69/x
  3. Step 3: Cross multiply
    574,878.11x = 793,349.78 × 329,907.69
  4. Step 4: Simplify right side
    574,878.11x = 261,732,191,632.27
  5. Step 5: Solve for x
    x = 261,732,191,632.27/574,878.11
  6. Step 6: Final answer
    x = 455,282.94

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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.