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Finding the Fourth Proportional to 239,231.90, 329,918.26 and 174,598.76

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Solution

The fourth proportional to 239,231.90, 329,918.26 and 174,598.76 is: 240,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,231.90 : 329,918.26 = 174,598.76 : x
  2. Step 2: Convert to fraction form
    239,231.90/329,918.26 = 174,598.76/x
  3. Step 3: Cross multiply
    239,231.90x = 329,918.26 × 174,598.76
  4. Step 4: Simplify right side
    239,231.90x = 57,603,319,097.36
  5. Step 5: Solve for x
    x = 57,603,319,097.36/239,231.90
  6. Step 6: Final answer
    x = 240,784.44

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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.