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Finding the Fourth Proportional to 448,515.17, 618,448.14 and 366,589.24

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Solution

The fourth proportional to 448,515.17, 618,448.14 and 366,589.24 is: 505,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,515.17 : 618,448.14 = 366,589.24 : x
  2. Step 2: Convert to fraction form
    448,515.17/618,448.14 = 366,589.24/x
  3. Step 3: Cross multiply
    448,515.17x = 618,448.14 × 366,589.24
  4. Step 4: Simplify right side
    448,515.17x = 226,716,434,523.63
  5. Step 5: Solve for x
    x = 226,716,434,523.63/448,515.17
  6. Step 6: Final answer
    x = 505,482.19

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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.