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Finding the Fourth Proportional to 613,381.11, 846,406.58 and 452,322.87

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Solution

The fourth proportional to 613,381.11, 846,406.58 and 452,322.87 is: 624,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,381.11 : 846,406.58 = 452,322.87 : x
  2. Step 2: Convert to fraction form
    613,381.11/846,406.58 = 452,322.87/x
  3. Step 3: Cross multiply
    613,381.11x = 846,406.58 × 452,322.87
  4. Step 4: Simplify right side
    613,381.11x = 382,849,051,190.87
  5. Step 5: Solve for x
    x = 382,849,051,190.87/613,381.11
  6. Step 6: Final answer
    x = 624,161.79

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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.