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Finding the Fourth Proportional to 319,056.85, 440,301.41 and 175,822.02

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Solution

The fourth proportional to 319,056.85, 440,301.41 and 175,822.02 is: 242,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,056.85 : 440,301.41 = 175,822.02 : x
  2. Step 2: Convert to fraction form
    319,056.85/440,301.41 = 175,822.02/x
  3. Step 3: Cross multiply
    319,056.85x = 440,301.41 × 175,822.02
  4. Step 4: Simplify right side
    319,056.85x = 77,414,680,234.43
  5. Step 5: Solve for x
    x = 77,414,680,234.43/319,056.85
  6. Step 6: Final answer
    x = 242,636.01

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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.