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Finding the Fourth Proportional to 372,682.65, 514,290.83 and 207,110.06

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Solution

The fourth proportional to 372,682.65, 514,290.83 and 207,110.06 is: 285,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,682.65 : 514,290.83 = 207,110.06 : x
  2. Step 2: Convert to fraction form
    372,682.65/514,290.83 = 207,110.06/x
  3. Step 3: Cross multiply
    372,682.65x = 514,290.83 × 207,110.06
  4. Step 4: Simplify right side
    372,682.65x = 106,514,801,051.75
  5. Step 5: Solve for x
    x = 106,514,801,051.75/372,682.65
  6. Step 6: Final answer
    x = 285,805.63

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1.5x scale

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.