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Finding the Fourth Proportional to 397,315.35, 595,973.03 and 366,988.95

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Solution

The fourth proportional to 397,315.35, 595,973.03 and 366,988.95 is: 550,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,315.35 : 595,973.03 = 366,988.95 : x
  2. Step 2: Convert to fraction form
    397,315.35/595,973.03 = 366,988.95/x
  3. Step 3: Cross multiply
    397,315.35x = 595,973.03 × 366,988.95
  4. Step 4: Simplify right side
    397,315.35x = 218,715,514,673.07
  5. Step 5: Solve for x
    x = 218,715,514,673.07/397,315.35
  6. Step 6: Final answer
    x = 550,483.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.