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Finding the Fourth Proportional to 772,248.54, 1,066,221.99 and 482,300.94

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Solution

The fourth proportional to 772,248.54, 1,066,221.99 and 482,300.94 is: 665,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,248.54 : 1,066,221.99 = 482,300.94 : x
  2. Step 2: Convert to fraction form
    772,248.54/1,066,221.99 = 482,300.94/x
  3. Step 3: Cross multiply
    772,248.54x = 1,066,221.99 × 482,300.94
  4. Step 4: Simplify right side
    772,248.54x = 514,239,868,025.67
  5. Step 5: Solve for x
    x = 514,239,868,025.67/772,248.54
  6. Step 6: Final answer
    x = 665,899.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.