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Finding the Fourth Proportional to 364,503.49, 503,015.13 and 203,358.58

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Solution

The fourth proportional to 364,503.49, 503,015.13 and 203,358.58 is: 280,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,503.49 : 503,015.13 = 203,358.58 : x
  2. Step 2: Convert to fraction form
    364,503.49/503,015.13 = 203,358.58/x
  3. Step 3: Cross multiply
    364,503.49x = 503,015.13 × 203,358.58
  4. Step 4: Simplify right side
    364,503.49x = 102,292,442,555.32
  5. Step 5: Solve for x
    x = 102,292,442,555.32/364,503.49
  6. Step 6: Final answer
    x = 280,635.02

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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.