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Finding the Fourth Proportional to 752,762.77, 1,038,559.62 and 480,989.75

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Solution

The fourth proportional to 752,762.77, 1,038,559.62 and 480,989.75 is: 663,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,762.77 : 1,038,559.62 = 480,989.75 : x
  2. Step 2: Convert to fraction form
    752,762.77/1,038,559.62 = 480,989.75/x
  3. Step 3: Cross multiply
    752,762.77x = 1,038,559.62 × 480,989.75
  4. Step 4: Simplify right side
    752,762.77x = 499,536,528,594.81
  5. Step 5: Solve for x
    x = 499,536,528,594.81/752,762.77
  6. Step 6: Final answer
    x = 663,604.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.