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Finding the Fourth Proportional to 1,036.99, 1,430.93 and 595.03

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Solution

The fourth proportional to 1,036.99, 1,430.93 and 595.03 is: 821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.99 : 1,430.93 = 595.03 : x
  2. Step 2: Convert to fraction form
    1,036.99/1,430.93 = 595.03/x
  3. Step 3: Cross multiply
    1,036.99x = 1,430.93 × 595.03
  4. Step 4: Simplify right side
    1,036.99x = 851,446.28
  5. Step 5: Solve for x
    x = 851,446.28/1,036.99
  6. Step 6: Final answer
    x = 821.07

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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.