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Finding the Fourth Proportional to 363,410.39, 501,501.31 and 202,265.51

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Solution

The fourth proportional to 363,410.39, 501,501.31 and 202,265.51 is: 279,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,410.39 : 501,501.31 = 202,265.51 : x
  2. Step 2: Convert to fraction form
    363,410.39/501,501.31 = 202,265.51/x
  3. Step 3: Cross multiply
    363,410.39x = 501,501.31 × 202,265.51
  4. Step 4: Simplify right side
    363,410.39x = 101,436,415,219.65
  5. Step 5: Solve for x
    x = 101,436,415,219.65/363,410.39
  6. Step 6: Final answer
    x = 279,123.60

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Double scale
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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.