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Finding the Fourth Proportional to 444,355.89, 613,195.95 and 253,430.79

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Solution

The fourth proportional to 444,355.89, 613,195.95 and 253,430.79 is: 349,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,355.89 : 613,195.95 = 253,430.79 : x
  2. Step 2: Convert to fraction form
    444,355.89/613,195.95 = 253,430.79/x
  3. Step 3: Cross multiply
    444,355.89x = 613,195.95 × 253,430.79
  4. Step 4: Simplify right side
    444,355.89x = 155,402,734,033.30
  5. Step 5: Solve for x
    x = 155,402,734,033.30/444,355.89
  6. Step 6: Final answer
    x = 349,725.83

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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.