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Finding the Fourth Proportional to 672,206.95, 927,633.57 and 366,285.98

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Solution

The fourth proportional to 672,206.95, 927,633.57 and 366,285.98 is: 505,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,206.95 : 927,633.57 = 366,285.98 : x
  2. Step 2: Convert to fraction form
    672,206.95/927,633.57 = 366,285.98/x
  3. Step 3: Cross multiply
    672,206.95x = 927,633.57 × 366,285.98
  4. Step 4: Simplify right side
    672,206.95x = 339,779,172,213.86
  5. Step 5: Solve for x
    x = 339,779,172,213.86/672,206.95
  6. Step 6: Final answer
    x = 505,468.10

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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.