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Finding the Fourth Proportional to 416,834.70, 574,914.54 and 358,790.22

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Solution

The fourth proportional to 416,834.70, 574,914.54 and 358,790.22 is: 494,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,834.70 : 574,914.54 = 358,790.22 : x
  2. Step 2: Convert to fraction form
    416,834.70/574,914.54 = 358,790.22/x
  3. Step 3: Cross multiply
    416,834.70x = 574,914.54 × 358,790.22
  4. Step 4: Simplify right side
    416,834.70x = 206,273,714,287.80
  5. Step 5: Solve for x
    x = 206,273,714,287.80/416,834.70
  6. Step 6: Final answer
    x = 494,857.35

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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.