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Finding the Fourth Proportional to 365,028.16, 503,758.54 and 203,886.76

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Solution

The fourth proportional to 365,028.16, 503,758.54 and 203,886.76 is: 281,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,028.16 : 503,758.54 = 203,886.76 : x
  2. Step 2: Convert to fraction form
    365,028.16/503,758.54 = 203,886.76/x
  3. Step 3: Cross multiply
    365,028.16x = 503,758.54 × 203,886.76
  4. Step 4: Simplify right side
    365,028.16x = 102,709,696,542.93
  5. Step 5: Solve for x
    x = 102,709,696,542.93/365,028.16
  6. Step 6: Final answer
    x = 281,374.72

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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.