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Finding the Fourth Proportional to 319,697.82, 441,197.69 and 183,775.77

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Solution

The fourth proportional to 319,697.82, 441,197.69 and 183,775.77 is: 253,619.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,697.82 : 441,197.69 = 183,775.77 : x
  2. Step 2: Convert to fraction form
    319,697.82/441,197.69 = 183,775.77/x
  3. Step 3: Cross multiply
    319,697.82x = 441,197.69 × 183,775.77
  4. Step 4: Simplify right side
    319,697.82x = 81,081,444,283.09
  5. Step 5: Solve for x
    x = 81,081,444,283.09/319,697.82
  6. Step 6: Final answer
    x = 253,619.01

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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.