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Finding the Fourth Proportional to 1,070.92, 1,477.88 and 598.81

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Solution

The fourth proportional to 1,070.92, 1,477.88 and 598.81 is: 826.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.92 : 1,477.88 = 598.81 : x
  2. Step 2: Convert to fraction form
    1,070.92/1,477.88 = 598.81/x
  3. Step 3: Cross multiply
    1,070.92x = 1,477.88 × 598.81
  4. Step 4: Simplify right side
    1,070.92x = 884,969.32
  5. Step 5: Solve for x
    x = 884,969.32/1,070.92
  6. Step 6: Final answer
    x = 826.36

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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.