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Finding the Fourth Proportional to 373,779.50, 560,916.88 and 205,417.41

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Solution

The fourth proportional to 373,779.50, 560,916.88 and 205,417.41 is: 308,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,779.50 : 560,916.88 = 205,417.41 : x
  2. Step 2: Convert to fraction form
    373,779.50/560,916.88 = 205,417.41/x
  3. Step 3: Cross multiply
    373,779.50x = 560,916.88 × 205,417.41
  4. Step 4: Simplify right side
    373,779.50x = 115,222,092,714.88
  5. Step 5: Solve for x
    x = 115,222,092,714.88/373,779.50
  6. Step 6: Final answer
    x = 308,262.20

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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.