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Finding the Fourth Proportional to 228,806.73, 315,403.29 and 160,632.45

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Solution

The fourth proportional to 228,806.73, 315,403.29 and 160,632.45 is: 221,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,806.73 : 315,403.29 = 160,632.45 : x
  2. Step 2: Convert to fraction form
    228,806.73/315,403.29 = 160,632.45/x
  3. Step 3: Cross multiply
    228,806.73x = 315,403.29 × 160,632.45
  4. Step 4: Simplify right side
    228,806.73x = 50,664,003,210.76
  5. Step 5: Solve for x
    x = 50,664,003,210.76/228,806.73
  6. Step 6: Final answer
    x = 221,427.07

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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.