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Finding the Fourth Proportional to 335,670.72, 463,370.72 and 240,011.20

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Solution

The fourth proportional to 335,670.72, 463,370.72 and 240,011.20 is: 331,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,670.72 : 463,370.72 = 240,011.20 : x
  2. Step 2: Convert to fraction form
    335,670.72/463,370.72 = 240,011.20/x
  3. Step 3: Cross multiply
    335,670.72x = 463,370.72 × 240,011.20
  4. Step 4: Simplify right side
    335,670.72x = 111,214,162,552.06
  5. Step 5: Solve for x
    x = 111,214,162,552.06/335,670.72
  6. Step 6: Final answer
    x = 331,319.22

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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.