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Finding the Fourth Proportional to 707,399.01, 976,180.01 and 385,110.23

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Solution

The fourth proportional to 707,399.01, 976,180.01 and 385,110.23 is: 531,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,399.01 : 976,180.01 = 385,110.23 : x
  2. Step 2: Convert to fraction form
    707,399.01/976,180.01 = 385,110.23/x
  3. Step 3: Cross multiply
    707,399.01x = 976,180.01 × 385,110.23
  4. Step 4: Simplify right side
    707,399.01x = 375,936,901,366.05
  5. Step 5: Solve for x
    x = 375,936,901,366.05/707,399.01
  6. Step 6: Final answer
    x = 531,435.44

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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.