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Finding the Fourth Proportional to 522,716.01, 783,862.95 and 202,699.38

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Solution

The fourth proportional to 522,716.01, 783,862.95 and 202,699.38 is: 303,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,716.01 : 783,862.95 = 202,699.38 : x
  2. Step 2: Convert to fraction form
    522,716.01/783,862.95 = 202,699.38/x
  3. Step 3: Cross multiply
    522,716.01x = 783,862.95 × 202,699.38
  4. Step 4: Simplify right side
    522,716.01x = 158,888,533,969.97
  5. Step 5: Solve for x
    x = 158,888,533,969.97/522,716.01
  6. Step 6: Final answer
    x = 303,967.22

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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.