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Finding the Fourth Proportional to 319,151.54, 440,423.82 and 175,924.88

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Solution

The fourth proportional to 319,151.54, 440,423.82 and 175,924.88 is: 242,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,151.54 : 440,423.82 = 175,924.88 : x
  2. Step 2: Convert to fraction form
    319,151.54/440,423.82 = 175,924.88/x
  3. Step 3: Cross multiply
    319,151.54x = 440,423.82 × 175,924.88
  4. Step 4: Simplify right side
    319,151.54x = 77,481,507,682.64
  5. Step 5: Solve for x
    x = 77,481,507,682.64/319,151.54
  6. Step 6: Final answer
    x = 242,773.41

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1.5x scale

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.