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Finding the Fourth Proportional to 536,987.30, 804,559.35 and 255,899.30

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Solution

The fourth proportional to 536,987.30, 804,559.35 and 255,899.30 is: 383,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,987.30 : 804,559.35 = 255,899.30 : x
  2. Step 2: Convert to fraction form
    536,987.30/804,559.35 = 255,899.30/x
  3. Step 3: Cross multiply
    536,987.30x = 804,559.35 × 255,899.30
  4. Step 4: Simplify right side
    536,987.30x = 205,886,174,473.46
  5. Step 5: Solve for x
    x = 205,886,174,473.46/536,987.30
  6. Step 6: Final answer
    x = 383,409.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.