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Finding the Fourth Proportional to 365,632.43, 548,393.00 and 140,960.07

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Solution

The fourth proportional to 365,632.43, 548,393.00 and 140,960.07 is: 211,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,632.43 : 548,393.00 = 140,960.07 : x
  2. Step 2: Convert to fraction form
    365,632.43/548,393.00 = 140,960.07/x
  3. Step 3: Cross multiply
    365,632.43x = 548,393.00 × 140,960.07
  4. Step 4: Simplify right side
    365,632.43x = 77,301,514,962.71
  5. Step 5: Solve for x
    x = 77,301,514,962.71/365,632.43
  6. Step 6: Final answer
    x = 211,418.65

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1.5x scale

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.