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Finding the Fourth Proportional to 375,941.51, 518,826.71 and 214,793.09

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Solution

The fourth proportional to 375,941.51, 518,826.71 and 214,793.09 is: 296,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,941.51 : 518,826.71 = 214,793.09 : x
  2. Step 2: Convert to fraction form
    375,941.51/518,826.71 = 214,793.09/x
  3. Step 3: Cross multiply
    375,941.51x = 518,826.71 × 214,793.09
  4. Step 4: Simplify right side
    375,941.51x = 111,440,390,158.28
  5. Step 5: Solve for x
    x = 111,440,390,158.28/375,941.51
  6. Step 6: Final answer
    x = 296,430.13

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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.