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Finding the Fourth Proportional to 442,168.64, 609,574.86 and 373,911.77

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Solution

The fourth proportional to 442,168.64, 609,574.86 and 373,911.77 is: 515,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,168.64 : 609,574.86 = 373,911.77 : x
  2. Step 2: Convert to fraction form
    442,168.64/609,574.86 = 373,911.77/x
  3. Step 3: Cross multiply
    442,168.64x = 609,574.86 × 373,911.77
  4. Step 4: Simplify right side
    442,168.64x = 227,927,214,850.10
  5. Step 5: Solve for x
    x = 227,927,214,850.10/442,168.64
  6. Step 6: Final answer
    x = 515,475.76

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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.