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Finding the Fourth Proportional to 382,303.76, 570,591.34 and 375,997.12

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Solution

The fourth proportional to 382,303.76, 570,591.34 and 375,997.12 is: 561,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,303.76 : 570,591.34 = 375,997.12 : x
  2. Step 2: Convert to fraction form
    382,303.76/570,591.34 = 375,997.12/x
  3. Step 3: Cross multiply
    382,303.76x = 570,591.34 × 375,997.12
  4. Step 4: Simplify right side
    382,303.76x = 214,540,700,536.94
  5. Step 5: Solve for x
    x = 214,540,700,536.94/382,303.76
  6. Step 6: Final answer
    x = 561,178.63

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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.