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Finding the Fourth Proportional to 370,038.64, 510,652.44 and 200,272.88

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Solution

The fourth proportional to 370,038.64, 510,652.44 and 200,272.88 is: 276,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,038.64 : 510,652.44 = 200,272.88 : x
  2. Step 2: Convert to fraction form
    370,038.64/510,652.44 = 200,272.88/x
  3. Step 3: Cross multiply
    370,038.64x = 510,652.44 × 200,272.88
  4. Step 4: Simplify right side
    370,038.64x = 102,269,834,837.83
  5. Step 5: Solve for x
    x = 102,269,834,837.83/370,038.64
  6. Step 6: Final answer
    x = 276,376.10

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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.