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Finding the Fourth Proportional to 364,969.98, 503,622.54 and 203,821.53

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Solution

The fourth proportional to 364,969.98, 503,622.54 and 203,821.53 is: 281,253.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,969.98 : 503,622.54 = 203,821.53 : x
  2. Step 2: Convert to fraction form
    364,969.98/503,622.54 = 203,821.53/x
  3. Step 3: Cross multiply
    364,969.98x = 503,622.54 × 203,821.53
  4. Step 4: Simplify right side
    364,969.98x = 102,649,116,645.29
  5. Step 5: Solve for x
    x = 102,649,116,645.29/364,969.98
  6. Step 6: Final answer
    x = 281,253.59

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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.