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Finding the Fourth Proportional to 254,538.38, 381,799.51 and 64,998.07

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Solution

The fourth proportional to 254,538.38, 381,799.51 and 64,998.07 is: 97,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,538.38 : 381,799.51 = 64,998.07 : x
  2. Step 2: Convert to fraction form
    254,538.38/381,799.51 = 64,998.07/x
  3. Step 3: Cross multiply
    254,538.38x = 381,799.51 × 64,998.07
  4. Step 4: Simplify right side
    254,538.38x = 24,816,230,159.95
  5. Step 5: Solve for x
    x = 24,816,230,159.95/254,538.38
  6. Step 6: Final answer
    x = 97,495.04

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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.