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Finding the Fourth Proportional to 383,260.51, 529,118.73 and 254,373.78

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Solution

The fourth proportional to 383,260.51, 529,118.73 and 254,373.78 is: 351,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,260.51 : 529,118.73 = 254,373.78 : x
  2. Step 2: Convert to fraction form
    383,260.51/529,118.73 = 254,373.78/x
  3. Step 3: Cross multiply
    383,260.51x = 529,118.73 × 254,373.78
  4. Step 4: Simplify right side
    383,260.51x = 134,593,931,418.90
  5. Step 5: Solve for x
    x = 134,593,931,418.90/383,260.51
  6. Step 6: Final answer
    x = 351,181.32

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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.