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Finding the Fourth Proportional to 569,664.18, 855,009.87 and 303,646.26

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Solution

The fourth proportional to 569,664.18, 855,009.87 and 303,646.26 is: 455,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,664.18 : 855,009.87 = 303,646.26 : x
  2. Step 2: Convert to fraction form
    569,664.18/855,009.87 = 303,646.26/x
  3. Step 3: Cross multiply
    569,664.18x = 855,009.87 × 303,646.26
  4. Step 4: Simplify right side
    569,664.18x = 259,620,549,288.59
  5. Step 5: Solve for x
    x = 259,620,549,288.59/569,664.18
  6. Step 6: Final answer
    x = 455,743.15

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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.