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Finding the Fourth Proportional to 375,319.46, 517,812.18 and 214,058.54

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Solution

The fourth proportional to 375,319.46, 517,812.18 and 214,058.54 is: 295,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,319.46 : 517,812.18 = 214,058.54 : x
  2. Step 2: Convert to fraction form
    375,319.46/517,812.18 = 214,058.54/x
  3. Step 3: Cross multiply
    375,319.46x = 517,812.18 × 214,058.54
  4. Step 4: Simplify right side
    375,319.46x = 110,842,119,245.02
  5. Step 5: Solve for x
    x = 110,842,119,245.02/375,319.46
  6. Step 6: Final answer
    x = 295,327.40

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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.