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Finding the Fourth Proportional to 613,757.30, 919,495.47 and 333,510.26

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Solution

The fourth proportional to 613,757.30, 919,495.47 and 333,510.26 is: 499,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,757.30 : 919,495.47 = 333,510.26 : x
  2. Step 2: Convert to fraction form
    613,757.30/919,495.47 = 333,510.26/x
  3. Step 3: Cross multiply
    613,757.30x = 919,495.47 × 333,510.26
  4. Step 4: Simplify right side
    613,757.30x = 306,661,173,268.52
  5. Step 5: Solve for x
    x = 306,661,173,268.52/613,757.30
  6. Step 6: Final answer
    x = 499,645.66

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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.