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Finding the Fourth Proportional to 455,392.44, 683,121.48 and 174,909.68

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Solution

The fourth proportional to 455,392.44, 683,121.48 and 174,909.68 is: 262,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,392.44 : 683,121.48 = 174,909.68 : x
  2. Step 2: Convert to fraction form
    455,392.44/683,121.48 = 174,909.68/x
  3. Step 3: Cross multiply
    455,392.44x = 683,121.48 × 174,909.68
  4. Step 4: Simplify right side
    455,392.44x = 119,484,559,467.93
  5. Step 5: Solve for x
    x = 119,484,559,467.93/455,392.44
  6. Step 6: Final answer
    x = 262,377.13

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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.