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Finding the Fourth Proportional to 569,078.40, 853,666.20 and 195,101.40

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Solution

The fourth proportional to 569,078.40, 853,666.20 and 195,101.40 is: 292,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,078.40 : 853,666.20 = 195,101.40 : x
  2. Step 2: Convert to fraction form
    569,078.40/853,666.20 = 195,101.40/x
  3. Step 3: Cross multiply
    569,078.40x = 853,666.20 × 195,101.40
  4. Step 4: Simplify right side
    569,078.40x = 166,551,470,752.68
  5. Step 5: Solve for x
    x = 166,551,470,752.68/569,078.40
  6. Step 6: Final answer
    x = 292,668.76

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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.