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Finding the Fourth Proportional to 324,792.11, 484,684.22 and 285,434.01

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Solution

The fourth proportional to 324,792.11, 484,684.22 and 285,434.01 is: 425,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,792.11 : 484,684.22 = 285,434.01 : x
  2. Step 2: Convert to fraction form
    324,792.11/484,684.22 = 285,434.01/x
  3. Step 3: Cross multiply
    324,792.11x = 484,684.22 × 285,434.01
  4. Step 4: Simplify right side
    324,792.11x = 138,345,361,211.91
  5. Step 5: Solve for x
    x = 138,345,361,211.91/324,792.11
  6. Step 6: Final answer
    x = 425,950.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.