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Finding the Fourth Proportional to 605,802.13, 836,149.39 and 376,532.56

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Solution

The fourth proportional to 605,802.13, 836,149.39 and 376,532.56 is: 519,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,802.13 : 836,149.39 = 376,532.56 : x
  2. Step 2: Convert to fraction form
    605,802.13/836,149.39 = 376,532.56/x
  3. Step 3: Cross multiply
    605,802.13x = 836,149.39 × 376,532.56
  4. Step 4: Simplify right side
    605,802.13x = 314,837,472,580.99
  5. Step 5: Solve for x
    x = 314,837,472,580.99/605,802.13
  6. Step 6: Final answer
    x = 519,703.48

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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.