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Finding the Fourth Proportional to 227,603.10, 318,053.85 and 227,603.10

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Solution

The fourth proportional to 227,603.10, 318,053.85 and 227,603.10 is: 318,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,603.10 : 318,053.85 = 227,603.10 : x
  2. Step 2: Convert to fraction form
    227,603.10/318,053.85 = 227,603.10/x
  3. Step 3: Cross multiply
    227,603.10x = 318,053.85 × 227,603.10
  4. Step 4: Simplify right side
    227,603.10x = 72,390,042,226.94
  5. Step 5: Solve for x
    x = 72,390,042,226.94/227,603.10
  6. Step 6: Final answer
    x = 318,053.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.