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Finding the Fourth Proportional to 228,607.80, 342,911.70 and 224,233.80

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Solution

The fourth proportional to 228,607.80, 342,911.70 and 224,233.80 is: 336,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,607.80 : 342,911.70 = 224,233.80 : x
  2. Step 2: Convert to fraction form
    228,607.80/342,911.70 = 224,233.80/x
  3. Step 3: Cross multiply
    228,607.80x = 342,911.70 × 224,233.80
  4. Step 4: Simplify right side
    228,607.80x = 76,892,393,555.46
  5. Step 5: Solve for x
    x = 76,892,393,555.46/228,607.80
  6. Step 6: Final answer
    x = 336,350.70

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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.