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Finding the Fourth Proportional to 370,038.33, 510,652.88 and 200,272.45

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Solution

The fourth proportional to 370,038.33, 510,652.88 and 200,272.45 is: 276,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,038.33 : 510,652.88 = 200,272.45 : x
  2. Step 2: Convert to fraction form
    370,038.33/510,652.88 = 200,272.45/x
  3. Step 3: Cross multiply
    370,038.33x = 510,652.88 × 200,272.45
  4. Step 4: Simplify right side
    370,038.33x = 102,269,705,154.47
  5. Step 5: Solve for x
    x = 102,269,705,154.47/370,038.33
  6. Step 6: Final answer
    x = 276,375.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.