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Finding the Fourth Proportional to 320,003.29, 441,599.95 and 174,807.32

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Solution

The fourth proportional to 320,003.29, 441,599.95 and 174,807.32 is: 241,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,003.29 : 441,599.95 = 174,807.32 : x
  2. Step 2: Convert to fraction form
    320,003.29/441,599.95 = 174,807.32/x
  3. Step 3: Cross multiply
    320,003.29x = 441,599.95 × 174,807.32
  4. Step 4: Simplify right side
    320,003.29x = 77,194,901,782.14
  5. Step 5: Solve for x
    x = 77,194,901,782.14/320,003.29
  6. Step 6: Final answer
    x = 241,231.59

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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.