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Finding the Fourth Proportional to 437,108.32, 603,254.64 and 267,455.20

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Solution

The fourth proportional to 437,108.32, 603,254.64 and 267,455.20 is: 369,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,108.32 : 603,254.64 = 267,455.20 : x
  2. Step 2: Convert to fraction form
    437,108.32/603,254.64 = 267,455.20/x
  3. Step 3: Cross multiply
    437,108.32x = 603,254.64 × 267,455.20
  4. Step 4: Simplify right side
    437,108.32x = 161,343,590,392.13
  5. Step 5: Solve for x
    x = 161,343,590,392.13/437,108.32
  6. Step 6: Final answer
    x = 369,115.81

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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.