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Finding the Fourth Proportional to 282,490.00, 389,775.54 and 167,807.31

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Solution

The fourth proportional to 282,490.00, 389,775.54 and 167,807.31 is: 231,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,490.00 : 389,775.54 = 167,807.31 : x
  2. Step 2: Convert to fraction form
    282,490.00/389,775.54 = 167,807.31/x
  3. Step 3: Cross multiply
    282,490.00x = 389,775.54 × 167,807.31
  4. Step 4: Simplify right side
    282,490.00x = 65,407,186,231.30
  5. Step 5: Solve for x
    x = 65,407,186,231.30/282,490.00
  6. Step 6: Final answer
    x = 231,538.06

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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.