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Finding the Fourth Proportional to 583,443, 805,152.06 and 315,171

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Solution

The fourth proportional to 583,443, 805,152.06 and 315,171 is: 434,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,443 : 805,152.06 = 315,171 : x
  2. Step 2: Convert to fraction form
    583,443/805,152.06 = 315,171/x
  3. Step 3: Cross multiply
    583,443x = 805,152.06 × 315,171
  4. Step 4: Simplify right side
    583,443x = 253,760,579,902.26
  5. Step 5: Solve for x
    x = 253,760,579,902.26/583,443
  6. Step 6: Final answer
    x = 434,936.37

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