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Finding the Fourth Proportional to 672,328.52, 927,813.50 and 366,404.96

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Solution

The fourth proportional to 672,328.52, 927,813.50 and 366,404.96 is: 505,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,328.52 : 927,813.50 = 366,404.96 : x
  2. Step 2: Convert to fraction form
    672,328.52/927,813.50 = 366,404.96/x
  3. Step 3: Cross multiply
    672,328.52x = 927,813.50 × 366,404.96
  4. Step 4: Simplify right side
    672,328.52x = 339,955,468,354.96
  5. Step 5: Solve for x
    x = 339,955,468,354.96/672,328.52
  6. Step 6: Final answer
    x = 505,638.92

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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.