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Finding the Fourth Proportional to 622,969.86, 933,683.86 and 442,768.16

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Solution

The fourth proportional to 622,969.86, 933,683.86 and 442,768.16 is: 663,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,969.86 : 933,683.86 = 442,768.16 : x
  2. Step 2: Convert to fraction form
    622,969.86/933,683.86 = 442,768.16/x
  3. Step 3: Cross multiply
    622,969.86x = 933,683.86 × 442,768.16
  4. Step 4: Simplify right side
    622,969.86x = 413,405,484,713.90
  5. Step 5: Solve for x
    x = 413,405,484,713.90/622,969.86
  6. Step 6: Final answer
    x = 663,604.31

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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.