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Finding the Fourth Proportional to 319,202.42, 440,494.52 and 175,959.36

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Solution

The fourth proportional to 319,202.42, 440,494.52 and 175,959.36 is: 242,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,202.42 : 440,494.52 = 175,959.36 : x
  2. Step 2: Convert to fraction form
    319,202.42/440,494.52 = 175,959.36/x
  3. Step 3: Cross multiply
    319,202.42x = 440,494.52 × 175,959.36
  4. Step 4: Simplify right side
    319,202.42x = 77,509,132,942.91
  5. Step 5: Solve for x
    x = 77,509,132,942.91/319,202.42
  6. Step 6: Final answer
    x = 242,821.26

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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.