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Finding the Fourth Proportional to 369,515.88, 554,101.59 and 191,975.22

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Solution

The fourth proportional to 369,515.88, 554,101.59 and 191,975.22 is: 287,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,515.88 : 554,101.59 = 191,975.22 : x
  2. Step 2: Convert to fraction form
    369,515.88/554,101.59 = 191,975.22/x
  3. Step 3: Cross multiply
    369,515.88x = 554,101.59 × 191,975.22
  4. Step 4: Simplify right side
    369,515.88x = 106,373,777,440.39
  5. Step 5: Solve for x
    x = 106,373,777,440.39/369,515.88
  6. Step 6: Final answer
    x = 287,873.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.