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Finding the Fourth Proportional to 1,036.99, 1,430.96 and 588.83

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Solution

The fourth proportional to 1,036.99, 1,430.96 and 588.83 is: 812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.99 : 1,430.96 = 588.83 : x
  2. Step 2: Convert to fraction form
    1,036.99/1,430.96 = 588.83/x
  3. Step 3: Cross multiply
    1,036.99x = 1,430.96 × 588.83
  4. Step 4: Simplify right side
    1,036.99x = 842,592.18
  5. Step 5: Solve for x
    x = 842,592.18/1,036.99
  6. Step 6: Final answer
    x = 812.54

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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.