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Finding the Fourth Proportional to 417,361.58, 626,053.16 and 113,758.23

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Solution

The fourth proportional to 417,361.58, 626,053.16 and 113,758.23 is: 170,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,361.58 : 626,053.16 = 113,758.23 : x
  2. Step 2: Convert to fraction form
    417,361.58/626,053.16 = 113,758.23/x
  3. Step 3: Cross multiply
    417,361.58x = 626,053.16 × 113,758.23
  4. Step 4: Simplify right side
    417,361.58x = 71,218,698,798.72
  5. Step 5: Solve for x
    x = 71,218,698,798.72/417,361.58
  6. Step 6: Final answer
    x = 170,640.29

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1.5x scale

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.