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Finding the Fourth Proportional to 1,573.51, 2,360.26 and 477.87

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Solution

The fourth proportional to 1,573.51, 2,360.26 and 477.87 is: 716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.51 : 2,360.26 = 477.87 : x
  2. Step 2: Convert to fraction form
    1,573.51/2,360.26 = 477.87/x
  3. Step 3: Cross multiply
    1,573.51x = 2,360.26 × 477.87
  4. Step 4: Simplify right side
    1,573.51x = 1,127,895.06
  5. Step 5: Solve for x
    x = 1,127,895.06/1,573.51
  6. Step 6: Final answer
    x = 716.80

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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.