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Finding the Fourth Proportional to 352,846.53, 486,893.09 and 199,854.27

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Solution

The fourth proportional to 352,846.53, 486,893.09 and 199,854.27 is: 275,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,846.53 : 486,893.09 = 199,854.27 : x
  2. Step 2: Convert to fraction form
    352,846.53/486,893.09 = 199,854.27/x
  3. Step 3: Cross multiply
    352,846.53x = 486,893.09 × 199,854.27
  4. Step 4: Simplify right side
    352,846.53x = 97,307,663,569.63
  5. Step 5: Solve for x
    x = 97,307,663,569.63/352,846.53
  6. Step 6: Final answer
    x = 275,779.00

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1.5x scale

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.