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Finding the Fourth Proportional to 245,929.20, 368,893.80 and 224,156.40

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Solution

The fourth proportional to 245,929.20, 368,893.80 and 224,156.40 is: 336,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,929.20 : 368,893.80 = 224,156.40 : x
  2. Step 2: Convert to fraction form
    245,929.20/368,893.80 = 224,156.40/x
  3. Step 3: Cross multiply
    245,929.20x = 368,893.80 × 224,156.40
  4. Step 4: Simplify right side
    245,929.20x = 82,689,906,190.32
  5. Step 5: Solve for x
    x = 82,689,906,190.32/245,929.20
  6. Step 6: Final answer
    x = 336,234.60

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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.