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Finding the Fourth Proportional to 333,446.93, 460,031.15 and 218,788.86

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Solution

The fourth proportional to 333,446.93, 460,031.15 and 218,788.86 is: 301,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,446.93 : 460,031.15 = 218,788.86 : x
  2. Step 2: Convert to fraction form
    333,446.93/460,031.15 = 218,788.86/x
  3. Step 3: Cross multiply
    333,446.93x = 460,031.15 × 218,788.86
  4. Step 4: Simplify right side
    333,446.93x = 100,649,689,779.05
  5. Step 5: Solve for x
    x = 100,649,689,779.05/333,446.93
  6. Step 6: Final answer
    x = 301,846.21

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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.