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Finding the Fourth Proportional to 319,009.02, 440,240.52 and 175,769.02

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Solution

The fourth proportional to 319,009.02, 440,240.52 and 175,769.02 is: 242,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,009.02 : 440,240.52 = 175,769.02 : x
  2. Step 2: Convert to fraction form
    319,009.02/440,240.52 = 175,769.02/x
  3. Step 3: Cross multiply
    319,009.02x = 440,240.52 × 175,769.02
  4. Step 4: Simplify right side
    319,009.02x = 77,380,644,764.69
  5. Step 5: Solve for x
    x = 77,380,644,764.69/319,009.02
  6. Step 6: Final answer
    x = 242,565.70

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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.