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Finding the Fourth Proportional to 375,468.51, 562,975.63 and 147,491.19

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Solution

The fourth proportional to 375,468.51, 562,975.63 and 147,491.19 is: 221,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,468.51 : 562,975.63 = 147,491.19 : x
  2. Step 2: Convert to fraction form
    375,468.51/562,975.63 = 147,491.19/x
  3. Step 3: Cross multiply
    375,468.51x = 562,975.63 × 147,491.19
  4. Step 4: Simplify right side
    375,468.51x = 83,033,945,609.70
  5. Step 5: Solve for x
    x = 83,033,945,609.70/375,468.51
  6. Step 6: Final answer
    x = 221,147.56

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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.