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Finding the Fourth Proportional to 933,812.80, 1,400,524.80 and 401,351.20

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Solution

The fourth proportional to 933,812.80, 1,400,524.80 and 401,351.20 is: 601,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,812.80 : 1,400,524.80 = 401,351.20 : x
  2. Step 2: Convert to fraction form
    933,812.80/1,400,524.80 = 401,351.20/x
  3. Step 3: Cross multiply
    933,812.80x = 1,400,524.80 × 401,351.20
  4. Step 4: Simplify right side
    933,812.80x = 562,102,309,109.76
  5. Step 5: Solve for x
    x = 562,102,309,109.76/933,812.80
  6. Step 6: Final answer
    x = 601,943.25

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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.