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Finding the Fourth Proportional to 319,843.02, 441,385.50 and 174,649.81

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Solution

The fourth proportional to 319,843.02, 441,385.50 and 174,649.81 is: 241,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,843.02 : 441,385.50 = 174,649.81 : x
  2. Step 2: Convert to fraction form
    319,843.02/441,385.50 = 174,649.81/x
  3. Step 3: Cross multiply
    319,843.02x = 441,385.50 × 174,649.81
  4. Step 4: Simplify right side
    319,843.02x = 77,087,892,608.29
  5. Step 5: Solve for x
    x = 77,087,892,608.29/319,843.02
  6. Step 6: Final answer
    x = 241,017.90

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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.