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Finding the Fourth Proportional to 375,038.10, 562,557.15 and 150,433.20

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Solution

The fourth proportional to 375,038.10, 562,557.15 and 150,433.20 is: 225,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,038.10 : 562,557.15 = 150,433.20 : x
  2. Step 2: Convert to fraction form
    375,038.10/562,557.15 = 150,433.20/x
  3. Step 3: Cross multiply
    375,038.10x = 562,557.15 × 150,433.20
  4. Step 4: Simplify right side
    375,038.10x = 84,627,272,257.38
  5. Step 5: Solve for x
    x = 84,627,272,257.38/375,038.10
  6. Step 6: Final answer
    x = 225,649.80

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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.