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Finding the Fourth Proportional to 1,036.99, 1,430.93 and 595.04

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Solution

The fourth proportional to 1,036.99, 1,430.93 and 595.04 is: 821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.99 : 1,430.93 = 595.04 : x
  2. Step 2: Convert to fraction form
    1,036.99/1,430.93 = 595.04/x
  3. Step 3: Cross multiply
    1,036.99x = 1,430.93 × 595.04
  4. Step 4: Simplify right side
    1,036.99x = 851,453.43
  5. Step 5: Solve for x
    x = 851,453.43/1,036.99
  6. Step 6: Final answer
    x = 821.08

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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.