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Finding the Fourth Proportional to 363,927.67, 502,213.49 and 202,779.25

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Solution

The fourth proportional to 363,927.67, 502,213.49 and 202,779.25 is: 279,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,927.67 : 502,213.49 = 202,779.25 : x
  2. Step 2: Convert to fraction form
    363,927.67/502,213.49 = 202,779.25/x
  3. Step 3: Cross multiply
    363,927.67x = 502,213.49 × 202,779.25
  4. Step 4: Simplify right side
    363,927.67x = 101,838,474,842.08
  5. Step 5: Solve for x
    x = 101,838,474,842.08/363,927.67
  6. Step 6: Final answer
    x = 279,831.63

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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.