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Finding the Fourth Proportional to 371,845.80, 512,958.33 and 242,859.84

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Solution

The fourth proportional to 371,845.80, 512,958.33 and 242,859.84 is: 335,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,845.80 : 512,958.33 = 242,859.84 : x
  2. Step 2: Convert to fraction form
    371,845.80/512,958.33 = 242,859.84/x
  3. Step 3: Cross multiply
    371,845.80x = 512,958.33 × 242,859.84
  4. Step 4: Simplify right side
    371,845.80x = 124,576,977,950.47
  5. Step 5: Solve for x
    x = 124,576,977,950.47/371,845.80
  6. Step 6: Final answer
    x = 335,023.22

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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.