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Finding the Fourth Proportional to 270,536.61, 405,804.54 and 108,503.76

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Solution

The fourth proportional to 270,536.61, 405,804.54 and 108,503.76 is: 162,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,536.61 : 405,804.54 = 108,503.76 : x
  2. Step 2: Convert to fraction form
    270,536.61/405,804.54 = 108,503.76/x
  3. Step 3: Cross multiply
    270,536.61x = 405,804.54 × 108,503.76
  4. Step 4: Simplify right side
    270,536.61x = 44,031,318,415.07
  5. Step 5: Solve for x
    x = 44,031,318,415.07/270,536.61
  6. Step 6: Final answer
    x = 162,755.49

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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.