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Finding the Fourth Proportional to 961,755.88, 1,441,696.36 and 400,950.76

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Solution

The fourth proportional to 961,755.88, 1,441,696.36 and 400,950.76 is: 601,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,755.88 : 1,441,696.36 = 400,950.76 : x
  2. Step 2: Convert to fraction form
    961,755.88/1,441,696.36 = 400,950.76/x
  3. Step 3: Cross multiply
    961,755.88x = 1,441,696.36 × 400,950.76
  4. Step 4: Simplify right side
    961,755.88x = 578,049,251,231.23
  5. Step 5: Solve for x
    x = 578,049,251,231.23/961,755.88
  6. Step 6: Final answer
    x = 601,035.32

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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.