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Finding the Fourth Proportional to 1,708.64, 2,563.45 and 598.19

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Solution

The fourth proportional to 1,708.64, 2,563.45 and 598.19 is: 897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.64 : 2,563.45 = 598.19 : x
  2. Step 2: Convert to fraction form
    1,708.64/2,563.45 = 598.19/x
  3. Step 3: Cross multiply
    1,708.64x = 2,563.45 × 598.19
  4. Step 4: Simplify right side
    1,708.64x = 1,533,415.84
  5. Step 5: Solve for x
    x = 1,533,415.84/1,708.64
  6. Step 6: Final answer
    x = 897.45

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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.