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Finding the Fourth Proportional to 574,869.26, 793,321.02 and 345,430.38

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Solution

The fourth proportional to 574,869.26, 793,321.02 and 345,430.38 is: 476,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,869.26 : 793,321.02 = 345,430.38 : x
  2. Step 2: Convert to fraction form
    574,869.26/793,321.02 = 345,430.38/x
  3. Step 3: Cross multiply
    574,869.26x = 793,321.02 × 345,430.38
  4. Step 4: Simplify right side
    574,869.26x = 274,037,181,400.59
  5. Step 5: Solve for x
    x = 274,037,181,400.59/574,869.26
  6. Step 6: Final answer
    x = 476,694.79

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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.