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Finding the Fourth Proportional to 1,036.26, 1,430.00 and 593.85

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Solution

The fourth proportional to 1,036.26, 1,430.00 and 593.85 is: 819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.26 : 1,430.00 = 593.85 : x
  2. Step 2: Convert to fraction form
    1,036.26/1,430.00 = 593.85/x
  3. Step 3: Cross multiply
    1,036.26x = 1,430.00 × 593.85
  4. Step 4: Simplify right side
    1,036.26x = 849,206.11
  5. Step 5: Solve for x
    x = 849,206.11/1,036.26
  6. Step 6: Final answer
    x = 819.49

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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.