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Finding the Fourth Proportional to 1,036.45, 1,430.25 and 594.33

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Solution

The fourth proportional to 1,036.45, 1,430.25 and 594.33 is: 820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.45 : 1,430.25 = 594.33 : x
  2. Step 2: Convert to fraction form
    1,036.45/1,430.25 = 594.33/x
  3. Step 3: Cross multiply
    1,036.45x = 1,430.25 × 594.33
  4. Step 4: Simplify right side
    1,036.45x = 850,040.48
  5. Step 5: Solve for x
    x = 850,040.48/1,036.45
  6. Step 6: Final answer
    x = 820.15

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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.