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Finding the Fourth Proportional to 383,382.92, 529,070.54 and 222,333.46

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Solution

The fourth proportional to 383,382.92, 529,070.54 and 222,333.46 is: 306,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,382.92 : 529,070.54 = 222,333.46 : x
  2. Step 2: Convert to fraction form
    383,382.92/529,070.54 = 222,333.46/x
  3. Step 3: Cross multiply
    383,382.92x = 529,070.54 × 222,333.46
  4. Step 4: Simplify right side
    383,382.92x = 117,630,081,307.93
  5. Step 5: Solve for x
    x = 117,630,081,307.93/383,382.92
  6. Step 6: Final answer
    x = 306,821.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.