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Finding the Fourth Proportional to 227,038.90, 340,558.35 and 227,038.90

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Solution

The fourth proportional to 227,038.90, 340,558.35 and 227,038.90 is: 340,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,038.90 : 340,558.35 = 227,038.90 : x
  2. Step 2: Convert to fraction form
    227,038.90/340,558.35 = 227,038.90/x
  3. Step 3: Cross multiply
    227,038.90x = 340,558.35 × 227,038.90
  4. Step 4: Simplify right side
    227,038.90x = 77,319,993,169.82
  5. Step 5: Solve for x
    x = 77,319,993,169.82/227,038.90
  6. Step 6: Final answer
    x = 340,558.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.