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Finding the Fourth Proportional to 486,779.52, 671,940.48 and 366,271.12

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Solution

The fourth proportional to 486,779.52, 671,940.48 and 366,271.12 is: 505,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,779.52 : 671,940.48 = 366,271.12 : x
  2. Step 2: Convert to fraction form
    486,779.52/671,940.48 = 366,271.12/x
  3. Step 3: Cross multiply
    486,779.52x = 671,940.48 × 366,271.12
  4. Step 4: Simplify right side
    486,779.52x = 246,112,392,182.94
  5. Step 5: Solve for x
    x = 246,112,392,182.94/486,779.52
  6. Step 6: Final answer
    x = 505,593.15

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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.