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Finding the Fourth Proportional to 270,561.54, 405,841.95 and 108,528.72

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Solution

The fourth proportional to 270,561.54, 405,841.95 and 108,528.72 is: 162,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,561.54 : 405,841.95 = 108,528.72 : x
  2. Step 2: Convert to fraction form
    270,561.54/405,841.95 = 108,528.72/x
  3. Step 3: Cross multiply
    270,561.54x = 405,841.95 × 108,528.72
  4. Step 4: Simplify right side
    270,561.54x = 44,045,507,355.80
  5. Step 5: Solve for x
    x = 44,045,507,355.80/270,561.54
  6. Step 6: Final answer
    x = 162,792.94

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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.