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Finding the Fourth Proportional to 534,950.38, 738,307.04 and 331,066.95

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Solution

The fourth proportional to 534,950.38, 738,307.04 and 331,066.95 is: 456,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,950.38 : 738,307.04 = 331,066.95 : x
  2. Step 2: Convert to fraction form
    534,950.38/738,307.04 = 331,066.95/x
  3. Step 3: Cross multiply
    534,950.38x = 738,307.04 × 331,066.95
  4. Step 4: Simplify right side
    534,950.38x = 244,429,055,472.34
  5. Step 5: Solve for x
    x = 244,429,055,472.34/534,950.38
  6. Step 6: Final answer
    x = 456,919.12

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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.