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Finding the Fourth Proportional to 564,536.51, 779,061.48 and 335,139.80

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Solution

The fourth proportional to 564,536.51, 779,061.48 and 335,139.80 is: 462,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,536.51 : 779,061.48 = 335,139.80 : x
  2. Step 2: Convert to fraction form
    564,536.51/779,061.48 = 335,139.80/x
  3. Step 3: Cross multiply
    564,536.51x = 779,061.48 × 335,139.80
  4. Step 4: Simplify right side
    564,536.51x = 261,094,504,699.60
  5. Step 5: Solve for x
    x = 261,094,504,699.60/564,536.51
  6. Step 6: Final answer
    x = 462,493.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.