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Finding the Fourth Proportional to 605,807.30, 836,156.55 and 376,537.75

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Solution

The fourth proportional to 605,807.30, 836,156.55 and 376,537.75 is: 519,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,807.30 : 836,156.55 = 376,537.75 : x
  2. Step 2: Convert to fraction form
    605,807.30/836,156.55 = 376,537.75/x
  3. Step 3: Cross multiply
    605,807.30x = 836,156.55 × 376,537.75
  4. Step 4: Simplify right side
    605,807.30x = 314,844,505,306.39
  5. Step 5: Solve for x
    x = 314,844,505,306.39/605,807.30
  6. Step 6: Final answer
    x = 519,710.65

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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.