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Finding the Fourth Proportional to 574,714.64, 793,046.54 and 353,916.83

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Solution

The fourth proportional to 574,714.64, 793,046.54 and 353,916.83 is: 488,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,714.64 : 793,046.54 = 353,916.83 : x
  2. Step 2: Convert to fraction form
    574,714.64/793,046.54 = 353,916.83/x
  3. Step 3: Cross multiply
    574,714.64x = 793,046.54 × 353,916.83
  4. Step 4: Simplify right side
    574,714.64x = 280,672,511,744.45
  5. Step 5: Solve for x
    x = 280,672,511,744.45/574,714.64
  6. Step 6: Final answer
    x = 488,368.48

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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.