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Finding the Fourth Proportional to 569,645.48, 854,888.77 and 270,127.05

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Solution

The fourth proportional to 569,645.48, 854,888.77 and 270,127.05 is: 405,390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,645.48 : 854,888.77 = 270,127.05 : x
  2. Step 2: Convert to fraction form
    569,645.48/854,888.77 = 270,127.05/x
  3. Step 3: Cross multiply
    569,645.48x = 854,888.77 × 270,127.05
  4. Step 4: Simplify right side
    569,645.48x = 230,928,581,939.34
  5. Step 5: Solve for x
    x = 230,928,581,939.34/569,645.48
  6. Step 6: Final answer
    x = 405,390.00

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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.