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Finding the Fourth Proportional to 1,036.26, 1,430.04 and 594.15

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Solution

The fourth proportional to 1,036.26, 1,430.04 and 594.15 is: 819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.26 : 1,430.04 = 594.15 : x
  2. Step 2: Convert to fraction form
    1,036.26/1,430.04 = 594.15/x
  3. Step 3: Cross multiply
    1,036.26x = 1,430.04 × 594.15
  4. Step 4: Simplify right side
    1,036.26x = 849,658.27
  5. Step 5: Solve for x
    x = 849,658.27/1,036.26
  6. Step 6: Final answer
    x = 819.93

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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.