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Finding the Fourth Proportional to 319,504.08, 440,917.08 and 176,264.10

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Solution

The fourth proportional to 319,504.08, 440,917.08 and 176,264.10 is: 243,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,504.08 : 440,917.08 = 176,264.10 : x
  2. Step 2: Convert to fraction form
    319,504.08/440,917.08 = 176,264.10/x
  3. Step 3: Cross multiply
    319,504.08x = 440,917.08 × 176,264.10
  4. Step 4: Simplify right side
    319,504.08x = 77,717,852,280.83
  5. Step 5: Solve for x
    x = 77,717,852,280.83/319,504.08
  6. Step 6: Final answer
    x = 243,245.26

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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.