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Finding the Fourth Proportional to 568,482.20, 852,723.24 and 169,128.68

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Solution

The fourth proportional to 568,482.20, 852,723.24 and 169,128.68 is: 253,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,482.20 : 852,723.24 = 169,128.68 : x
  2. Step 2: Convert to fraction form
    568,482.20/852,723.24 = 169,128.68/x
  3. Step 3: Cross multiply
    568,482.20x = 852,723.24 × 169,128.68
  4. Step 4: Simplify right side
    568,482.20x = 144,219,955,986.52
  5. Step 5: Solve for x
    x = 144,219,955,986.52/568,482.20
  6. Step 6: Final answer
    x = 253,693.00

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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.