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Finding the Fourth Proportional to 406,630.51, 609,117.44 and 192,750.14

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Solution

The fourth proportional to 406,630.51, 609,117.44 and 192,750.14 is: 288,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,630.51 : 609,117.44 = 192,750.14 : x
  2. Step 2: Convert to fraction form
    406,630.51/609,117.44 = 192,750.14/x
  3. Step 3: Cross multiply
    406,630.51x = 609,117.44 × 192,750.14
  4. Step 4: Simplify right side
    406,630.51x = 117,407,472,395.49
  5. Step 5: Solve for x
    x = 117,407,472,395.49/406,630.51
  6. Step 6: Final answer
    x = 288,732.57

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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.