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Finding the Fourth Proportional to 365,047.95, 503,760.78 and 203,905.38

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Solution

The fourth proportional to 365,047.95, 503,760.78 and 203,905.38 is: 281,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,047.95 : 503,760.78 = 203,905.38 : x
  2. Step 2: Convert to fraction form
    365,047.95/503,760.78 = 203,905.38/x
  3. Step 3: Cross multiply
    365,047.95x = 503,760.78 × 203,905.38
  4. Step 4: Simplify right side
    365,047.95x = 102,719,533,275.00
  5. Step 5: Solve for x
    x = 102,719,533,275.00/365,047.95
  6. Step 6: Final answer
    x = 281,386.41

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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.