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Finding the Fourth Proportional to 1,573.43, 2,360.14 and 477.80

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Solution

The fourth proportional to 1,573.43, 2,360.14 and 477.80 is: 716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.43 : 2,360.14 = 477.80 : x
  2. Step 2: Convert to fraction form
    1,573.43/2,360.14 = 477.80/x
  3. Step 3: Cross multiply
    1,573.43x = 2,360.14 × 477.80
  4. Step 4: Simplify right side
    1,573.43x = 1,127,670.75
  5. Step 5: Solve for x
    x = 1,127,670.75/1,573.43
  6. Step 6: Final answer
    x = 716.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.