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Finding the Fourth Proportional to 369,643.54, 510,107.72 and 199,877.26

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Solution

The fourth proportional to 369,643.54, 510,107.72 and 199,877.26 is: 275,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,643.54 : 510,107.72 = 199,877.26 : x
  2. Step 2: Convert to fraction form
    369,643.54/510,107.72 = 199,877.26/x
  3. Step 3: Cross multiply
    369,643.54x = 510,107.72 × 199,877.26
  4. Step 4: Simplify right side
    369,643.54x = 101,958,933,378.45
  5. Step 5: Solve for x
    x = 101,958,933,378.45/369,643.54
  6. Step 6: Final answer
    x = 275,830.42

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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.