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Finding the Fourth Proportional to 376,025.12, 518,881.80 and 214,848.08

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Solution

The fourth proportional to 376,025.12, 518,881.80 and 214,848.08 is: 296,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,025.12 : 518,881.80 = 214,848.08 : x
  2. Step 2: Convert to fraction form
    376,025.12/518,881.80 = 214,848.08/x
  3. Step 3: Cross multiply
    376,025.12x = 518,881.80 × 214,848.08
  4. Step 4: Simplify right side
    376,025.12x = 111,480,758,476.94
  5. Step 5: Solve for x
    x = 111,480,758,476.94/376,025.12
  6. Step 6: Final answer
    x = 296,471.57

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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.