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Finding the Fourth Proportional to 277,806.66, 383,365.34 and 163,083.48

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Solution

The fourth proportional to 277,806.66, 383,365.34 and 163,083.48 is: 225,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,806.66 : 383,365.34 = 163,083.48 : x
  2. Step 2: Convert to fraction form
    277,806.66/383,365.34 = 163,083.48/x
  3. Step 3: Cross multiply
    277,806.66x = 383,365.34 × 163,083.48
  4. Step 4: Simplify right side
    277,806.66x = 62,520,552,117.11
  5. Step 5: Solve for x
    x = 62,520,552,117.11/277,806.66
  6. Step 6: Final answer
    x = 225,050.59

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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.