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Finding the Fourth Proportional to 569,210.60, 853,859.10 and 169,820.12

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Solution

The fourth proportional to 569,210.60, 853,859.10 and 169,820.12 is: 254,743.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,210.60 : 853,859.10 = 169,820.12 : x
  2. Step 2: Convert to fraction form
    569,210.60/853,859.10 = 169,820.12/x
  3. Step 3: Cross multiply
    569,210.60x = 853,859.10 × 169,820.12
  4. Step 4: Simplify right side
    569,210.60x = 145,002,454,825.09
  5. Step 5: Solve for x
    x = 145,002,454,825.09/569,210.60
  6. Step 6: Final answer
    x = 254,743.07

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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.