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Finding the Fourth Proportional to 400,593.33, 553,193.52 and 257,601.81

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Solution

The fourth proportional to 400,593.33, 553,193.52 and 257,601.81 is: 355,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,593.33 : 553,193.52 = 257,601.81 : x
  2. Step 2: Convert to fraction form
    400,593.33/553,193.52 = 257,601.81/x
  3. Step 3: Cross multiply
    400,593.33x = 553,193.52 × 257,601.81
  4. Step 4: Simplify right side
    400,593.33x = 142,503,652,032.27
  5. Step 5: Solve for x
    x = 142,503,652,032.27/400,593.33
  6. Step 6: Final answer
    x = 355,731.46

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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.