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Finding the Fourth Proportional to 886,859.16, 1,223,863.74 and 484,451.16

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Solution

The fourth proportional to 886,859.16, 1,223,863.74 and 484,451.16 is: 668,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,859.16 : 1,223,863.74 = 484,451.16 : x
  2. Step 2: Convert to fraction form
    886,859.16/1,223,863.74 = 484,451.16/x
  3. Step 3: Cross multiply
    886,859.16x = 1,223,863.74 × 484,451.16
  4. Step 4: Simplify right side
    886,859.16x = 592,902,208,524.94
  5. Step 5: Solve for x
    x = 592,902,208,524.94/886,859.16
  6. Step 6: Final answer
    x = 668,541.56

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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.