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Finding the Fourth Proportional to 367,488, 551,232 and 118,170

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Solution

The fourth proportional to 367,488, 551,232 and 118,170 is: 177,255

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,488 : 551,232 = 118,170 : x
  2. Step 2: Convert to fraction form
    367,488/551,232 = 118,170/x
  3. Step 3: Cross multiply
    367,488x = 551,232 × 118,170
  4. Step 4: Simplify right side
    367,488x = 65,139,085,440
  5. Step 5: Solve for x
    x = 65,139,085,440/367,488
  6. Step 6: Final answer
    x = 177,255

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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.