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Finding the Fourth Proportional to 605,807.87, 836,157.32 and 376,538.31

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Solution

The fourth proportional to 605,807.87, 836,157.32 and 376,538.31 is: 519,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,807.87 : 836,157.32 = 376,538.31 : x
  2. Step 2: Convert to fraction form
    605,807.87/836,157.32 = 376,538.31/x
  3. Step 3: Cross multiply
    605,807.87x = 836,157.32 × 376,538.31
  4. Step 4: Simplify right side
    605,807.87x = 314,845,263,696.26
  5. Step 5: Solve for x
    x = 314,845,263,696.26/605,807.87
  6. Step 6: Final answer
    x = 519,711.42

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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.