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Finding the Fourth Proportional to 443,671.04, 665,561.52 and 173,764.16

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Solution

The fourth proportional to 443,671.04, 665,561.52 and 173,764.16 is: 260,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,671.04 : 665,561.52 = 173,764.16 : x
  2. Step 2: Convert to fraction form
    443,671.04/665,561.52 = 173,764.16/x
  3. Step 3: Cross multiply
    443,671.04x = 665,561.52 × 173,764.16
  4. Step 4: Simplify right side
    443,671.04x = 115,650,738,451.12
  5. Step 5: Solve for x
    x = 115,650,738,451.12/443,671.04
  6. Step 6: Final answer
    x = 260,667.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.