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Finding the Fourth Proportional to 559,164.80, 834,693.16 and 517,538.96

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Solution

The fourth proportional to 559,164.80, 834,693.16 and 517,538.96 is: 772,556.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,164.80 : 834,693.16 = 517,538.96 : x
  2. Step 2: Convert to fraction form
    559,164.80/834,693.16 = 517,538.96/x
  3. Step 3: Cross multiply
    559,164.80x = 834,693.16 × 517,538.96
  4. Step 4: Simplify right side
    559,164.80x = 431,986,229,945.51
  5. Step 5: Solve for x
    x = 431,986,229,945.51/559,164.80
  6. Step 6: Final answer
    x = 772,556.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.