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Finding the Fourth Proportional to 319,086.92, 440,333.34 and 175,843.28

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Solution

The fourth proportional to 319,086.92, 440,333.34 and 175,843.28 is: 242,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,086.92 : 440,333.34 = 175,843.28 : x
  2. Step 2: Convert to fraction form
    319,086.92/440,333.34 = 175,843.28/x
  3. Step 3: Cross multiply
    319,086.92x = 440,333.34 × 175,843.28
  4. Step 4: Simplify right side
    319,086.92x = 77,429,658,798.96
  5. Step 5: Solve for x
    x = 77,429,658,798.96/319,086.92
  6. Step 6: Final answer
    x = 242,660.08

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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.