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Finding the Fourth Proportional to 372,100.60, 558,150.90 and 369,476.20

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Solution

The fourth proportional to 372,100.60, 558,150.90 and 369,476.20 is: 554,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,100.60 : 558,150.90 = 369,476.20 : x
  2. Step 2: Convert to fraction form
    372,100.60/558,150.90 = 369,476.20/x
  3. Step 3: Cross multiply
    372,100.60x = 558,150.90 × 369,476.20
  4. Step 4: Simplify right side
    372,100.60x = 206,223,473,558.58
  5. Step 5: Solve for x
    x = 206,223,473,558.58/372,100.60
  6. Step 6: Final answer
    x = 554,214.30

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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.