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Finding the Fourth Proportional to 319,843.46, 441,386.12 and 174,650.25

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Solution

The fourth proportional to 319,843.46, 441,386.12 and 174,650.25 is: 241,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,843.46 : 441,386.12 = 174,650.25 : x
  2. Step 2: Convert to fraction form
    319,843.46/441,386.12 = 174,650.25/x
  3. Step 3: Cross multiply
    319,843.46x = 441,386.12 × 174,650.25
  4. Step 4: Simplify right side
    319,843.46x = 77,088,198,296.35
  5. Step 5: Solve for x
    x = 77,088,198,296.35/319,843.46
  6. Step 6: Final answer
    x = 241,018.52

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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.