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Finding the Fourth Proportional to 382,305.76, 570,594.32 and 375,999.12

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Solution

The fourth proportional to 382,305.76, 570,594.32 and 375,999.12 is: 561,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,305.76 : 570,594.32 = 375,999.12 : x
  2. Step 2: Convert to fraction form
    382,305.76/570,594.32 = 375,999.12/x
  3. Step 3: Cross multiply
    382,305.76x = 570,594.32 × 375,999.12
  4. Step 4: Simplify right side
    382,305.76x = 214,542,962,197.00
  5. Step 5: Solve for x
    x = 214,542,962,197.00/382,305.76
  6. Step 6: Final answer
    x = 561,181.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.