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Finding the Fourth Proportional to 584,177.68, 806,164.86 and 315,905.68

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Solution

The fourth proportional to 584,177.68, 806,164.86 and 315,905.68 is: 435,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,177.68 : 806,164.86 = 315,905.68 : x
  2. Step 2: Convert to fraction form
    584,177.68/806,164.86 = 315,905.68/x
  3. Step 3: Cross multiply
    584,177.68x = 806,164.86 × 315,905.68
  4. Step 4: Simplify right side
    584,177.68x = 254,672,058,290.41
  5. Step 5: Solve for x
    x = 254,672,058,290.41/584,177.68
  6. Step 6: Final answer
    x = 435,949.66

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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.