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Finding the Fourth Proportional to 605,361.87, 835,405.02 and 333,430.76

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Solution

The fourth proportional to 605,361.87, 835,405.02 and 333,430.76 is: 460,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,361.87 : 835,405.02 = 333,430.76 : x
  2. Step 2: Convert to fraction form
    605,361.87/835,405.02 = 333,430.76/x
  3. Step 3: Cross multiply
    605,361.87x = 835,405.02 × 333,430.76
  4. Step 4: Simplify right side
    605,361.87x = 278,549,726,549.39
  5. Step 5: Solve for x
    x = 278,549,726,549.39/605,361.87
  6. Step 6: Final answer
    x = 460,137.55

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1.5x scale

Why These Related Problems?

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