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Finding the Fourth Proportional to 568,686.25, 785,042.45 and 375,207.83

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Solution

The fourth proportional to 568,686.25, 785,042.45 and 375,207.83 is: 517,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,686.25 : 785,042.45 = 375,207.83 : x
  2. Step 2: Convert to fraction form
    568,686.25/785,042.45 = 375,207.83/x
  3. Step 3: Cross multiply
    568,686.25x = 785,042.45 × 375,207.83
  4. Step 4: Simplify right side
    568,686.25x = 294,554,072,672.07
  5. Step 5: Solve for x
    x = 294,554,072,672.07/568,686.25
  6. Step 6: Final answer
    x = 517,955.33

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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.