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Finding the Fourth Proportional to 406,668.76, 610,079.90 and 154,024.90

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Solution

The fourth proportional to 406,668.76, 610,079.90 and 154,024.90 is: 231,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,668.76 : 610,079.90 = 154,024.90 : x
  2. Step 2: Convert to fraction form
    406,668.76/610,079.90 = 154,024.90/x
  3. Step 3: Cross multiply
    406,668.76x = 610,079.90 × 154,024.90
  4. Step 4: Simplify right side
    406,668.76x = 93,967,495,589.51
  5. Step 5: Solve for x
    x = 93,967,495,589.51/406,668.76
  6. Step 6: Final answer
    x = 231,066.42

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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.