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Finding the Fourth Proportional to 933,907.80, 1,401,517.80 and 401,810.70

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Solution

The fourth proportional to 933,907.80, 1,401,517.80 and 401,810.70 is: 602,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,907.80 : 1,401,517.80 = 401,810.70 : x
  2. Step 2: Convert to fraction form
    933,907.80/1,401,517.80 = 401,810.70/x
  3. Step 3: Cross multiply
    933,907.80x = 1,401,517.80 × 401,810.70
  4. Step 4: Simplify right side
    933,907.80x = 563,144,848,280.46
  5. Step 5: Solve for x
    x = 563,144,848,280.46/933,907.80
  6. Step 6: Final answer
    x = 602,998.33

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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.