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Finding the Fourth Proportional to 319,607.80, 441,083.66 and 183,689.17

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Solution

The fourth proportional to 319,607.80, 441,083.66 and 183,689.17 is: 253,505.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,607.80 : 441,083.66 = 183,689.17 : x
  2. Step 2: Convert to fraction form
    319,607.80/441,083.66 = 183,689.17/x
  3. Step 3: Cross multiply
    319,607.80x = 441,083.66 × 183,689.17
  4. Step 4: Simplify right side
    319,607.80x = 81,022,291,405.96
  5. Step 5: Solve for x
    x = 81,022,291,405.96/319,607.80
  6. Step 6: Final answer
    x = 253,505.36

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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.