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Finding the Fourth Proportional to 1,070.94, 1,607.01 and 584.03

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Solution

The fourth proportional to 1,070.94, 1,607.01 and 584.03 is: 876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.94 : 1,607.01 = 584.03 : x
  2. Step 2: Convert to fraction form
    1,070.94/1,607.01 = 584.03/x
  3. Step 3: Cross multiply
    1,070.94x = 1,607.01 × 584.03
  4. Step 4: Simplify right side
    1,070.94x = 938,534.02
  5. Step 5: Solve for x
    x = 938,534.02/1,070.94
  6. Step 6: Final answer
    x = 876.36

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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.