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Finding the Fourth Proportional to 464,305.12, 697,103.32 and 239,831.44

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Solution

The fourth proportional to 464,305.12, 697,103.32 and 239,831.44 is: 360,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,305.12 : 697,103.32 = 239,831.44 : x
  2. Step 2: Convert to fraction form
    464,305.12/697,103.32 = 239,831.44/x
  3. Step 3: Cross multiply
    464,305.12x = 697,103.32 × 239,831.44
  4. Step 4: Simplify right side
    464,305.12x = 167,187,293,064.38
  5. Step 5: Solve for x
    x = 167,187,293,064.38/464,305.12
  6. Step 6: Final answer
    x = 360,080.66

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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.