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Finding the Fourth Proportional to 228,237.15, 342,355.73 and 228,237.15

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Solution

The fourth proportional to 228,237.15, 342,355.73 and 228,237.15 is: 342,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,237.15 : 342,355.73 = 228,237.15 : x
  2. Step 2: Convert to fraction form
    228,237.15/342,355.73 = 228,237.15/x
  3. Step 3: Cross multiply
    228,237.15x = 342,355.73 × 228,237.15
  4. Step 4: Simplify right side
    228,237.15x = 78,138,294,960.18
  5. Step 5: Solve for x
    x = 78,138,294,960.18/228,237.15
  6. Step 6: Final answer
    x = 342,355.73

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1.5x scale

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.