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Finding the Fourth Proportional to 395,856.09, 593,693.06 and 235,977.16

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Solution

The fourth proportional to 395,856.09, 593,693.06 and 235,977.16 is: 353,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,856.09 : 593,693.06 = 235,977.16 : x
  2. Step 2: Convert to fraction form
    395,856.09/593,693.06 = 235,977.16/x
  3. Step 3: Cross multiply
    395,856.09x = 593,693.06 × 235,977.16
  4. Step 4: Simplify right side
    395,856.09x = 140,098,002,210.51
  5. Step 5: Solve for x
    x = 140,098,002,210.51/395,856.09
  6. Step 6: Final answer
    x = 353,911.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.