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Finding the Fourth Proportional to 672,113.50, 927,511.47 and 366,188.94

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Solution

The fourth proportional to 672,113.50, 927,511.47 and 366,188.94 is: 505,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,113.50 : 927,511.47 = 366,188.94 : x
  2. Step 2: Convert to fraction form
    672,113.50/927,511.47 = 366,188.94/x
  3. Step 3: Cross multiply
    672,113.50x = 927,511.47 × 366,188.94
  4. Step 4: Simplify right side
    672,113.50x = 339,644,442,037.14
  5. Step 5: Solve for x
    x = 339,644,442,037.14/672,113.50
  6. Step 6: Final answer
    x = 505,337.93

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Double scale
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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.