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Finding the Fourth Proportional to 369,644.53, 510,109.09 and 199,878.25

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Solution

The fourth proportional to 369,644.53, 510,109.09 and 199,878.25 is: 275,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,644.53 : 510,109.09 = 199,878.25 : x
  2. Step 2: Convert to fraction form
    369,644.53/510,109.09 = 199,878.25/x
  3. Step 3: Cross multiply
    369,644.53x = 510,109.09 × 199,878.25
  4. Step 4: Simplify right side
    369,644.53x = 101,959,712,218.29
  5. Step 5: Solve for x
    x = 101,959,712,218.29/369,644.53
  6. Step 6: Final answer
    x = 275,831.79

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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.