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Finding the Fourth Proportional to 575,763.23, 863,457.73 and 191,408.91

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Solution

The fourth proportional to 575,763.23, 863,457.73 and 191,408.91 is: 287,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,763.23 : 863,457.73 = 191,408.91 : x
  2. Step 2: Convert to fraction form
    575,763.23/863,457.73 = 191,408.91/x
  3. Step 3: Cross multiply
    575,763.23x = 863,457.73 × 191,408.91
  4. Step 4: Simplify right side
    575,763.23x = 165,273,502,930.37
  5. Step 5: Solve for x
    x = 165,273,502,930.37/575,763.23
  6. Step 6: Final answer
    x = 287,051.16

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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.