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Finding the Fourth Proportional to 319,094.65, 440,350.62 and 175,854.69

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Solution

The fourth proportional to 319,094.65, 440,350.62 and 175,854.69 is: 242,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,094.65 : 440,350.62 = 175,854.69 : x
  2. Step 2: Convert to fraction form
    319,094.65/440,350.62 = 175,854.69/x
  3. Step 3: Cross multiply
    319,094.65x = 440,350.62 × 175,854.69
  4. Step 4: Simplify right side
    319,094.65x = 77,437,721,771.41
  5. Step 5: Solve for x
    x = 77,437,721,771.41/319,094.65
  6. Step 6: Final answer
    x = 242,679.47

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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.