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Finding the Fourth Proportional to 524,526.95, 783,804.44 and 393,843.81

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Solution

The fourth proportional to 524,526.95, 783,804.44 and 393,843.81 is: 588,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,526.95 : 783,804.44 = 393,843.81 : x
  2. Step 2: Convert to fraction form
    524,526.95/783,804.44 = 393,843.81/x
  3. Step 3: Cross multiply
    524,526.95x = 783,804.44 × 393,843.81
  4. Step 4: Simplify right side
    524,526.95x = 308,696,530,868.39
  5. Step 5: Solve for x
    x = 308,696,530,868.39/524,526.95
  6. Step 6: Final answer
    x = 588,523.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.