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Finding the Fourth Proportional to 1,026.92, 1,417.02 and 607.34

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Solution

The fourth proportional to 1,026.92, 1,417.02 and 607.34 is: 838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.92 : 1,417.02 = 607.34 : x
  2. Step 2: Convert to fraction form
    1,026.92/1,417.02 = 607.34/x
  3. Step 3: Cross multiply
    1,026.92x = 1,417.02 × 607.34
  4. Step 4: Simplify right side
    1,026.92x = 860,612.93
  5. Step 5: Solve for x
    x = 860,612.93/1,026.92
  6. Step 6: Final answer
    x = 838.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.