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Finding the Fourth Proportional to 383,367.48, 529,034.94 and 240,204.84

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Solution

The fourth proportional to 383,367.48, 529,034.94 and 240,204.84 is: 331,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,367.48 : 529,034.94 = 240,204.84 : x
  2. Step 2: Convert to fraction form
    383,367.48/529,034.94 = 240,204.84/x
  3. Step 3: Cross multiply
    383,367.48x = 529,034.94 × 240,204.84
  4. Step 4: Simplify right side
    383,367.48x = 127,076,753,117.11
  5. Step 5: Solve for x
    x = 127,076,753,117.11/383,367.48
  6. Step 6: Final answer
    x = 331,475.05

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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.