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Finding the Fourth Proportional to 622,341.80, 933,167.10 and 247,941.80

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Solution

The fourth proportional to 622,341.80, 933,167.10 and 247,941.80 is: 371,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,341.80 : 933,167.10 = 247,941.80 : x
  2. Step 2: Convert to fraction form
    622,341.80/933,167.10 = 247,941.80/x
  3. Step 3: Cross multiply
    622,341.80x = 933,167.10 × 247,941.80
  4. Step 4: Simplify right side
    622,341.80x = 231,371,130,474.78
  5. Step 5: Solve for x
    x = 231,371,130,474.78/622,341.80
  6. Step 6: Final answer
    x = 371,775.01

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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.