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Finding the Fourth Proportional to 1,070.02, 1,606.29 and 584.02

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Solution

The fourth proportional to 1,070.02, 1,606.29 and 584.02 is: 876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.02 : 1,606.29 = 584.02 : x
  2. Step 2: Convert to fraction form
    1,070.02/1,606.29 = 584.02/x
  3. Step 3: Cross multiply
    1,070.02x = 1,606.29 × 584.02
  4. Step 4: Simplify right side
    1,070.02x = 938,105.49
  5. Step 5: Solve for x
    x = 938,105.49/1,070.02
  6. Step 6: Final answer
    x = 876.72

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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.