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Finding the Fourth Proportional to 569,667.60, 855,008.28 and 303,647.76

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Solution

The fourth proportional to 569,667.60, 855,008.28 and 303,647.76 is: 455,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,667.60 : 855,008.28 = 303,647.76 : x
  2. Step 2: Convert to fraction form
    569,667.60/855,008.28 = 303,647.76/x
  3. Step 3: Cross multiply
    569,667.60x = 855,008.28 × 303,647.76
  4. Step 4: Simplify right side
    569,667.60x = 259,621,349,003.45
  5. Step 5: Solve for x
    x = 259,621,349,003.45/569,667.60
  6. Step 6: Final answer
    x = 455,741.82

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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.