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Finding the Fourth Proportional to 370,507.50, 554,873.19 and 190,118.22

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Solution

The fourth proportional to 370,507.50, 554,873.19 and 190,118.22 is: 284,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,507.50 : 554,873.19 = 190,118.22 : x
  2. Step 2: Convert to fraction form
    370,507.50/554,873.19 = 190,118.22/x
  3. Step 3: Cross multiply
    370,507.50x = 554,873.19 × 190,118.22
  4. Step 4: Simplify right side
    370,507.50x = 105,491,503,208.52
  5. Step 5: Solve for x
    x = 105,491,503,208.52/370,507.50
  6. Step 6: Final answer
    x = 284,721.64

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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.