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Finding the Fourth Proportional to 713.04, 1,070.73 and 598.34

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Solution

The fourth proportional to 713.04, 1,070.73 and 598.34 is: 898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.04 : 1,070.73 = 598.34 : x
  2. Step 2: Convert to fraction form
    713.04/1,070.73 = 598.34/x
  3. Step 3: Cross multiply
    713.04x = 1,070.73 × 598.34
  4. Step 4: Simplify right side
    713.04x = 640,655.23
  5. Step 5: Solve for x
    x = 640,655.23/713.04
  6. Step 6: Final answer
    x = 898.48

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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.