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Finding the Fourth Proportional to 672,216.53, 927,646.74 and 366,295.55

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Solution

The fourth proportional to 672,216.53, 927,646.74 and 366,295.55 is: 505,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,216.53 : 927,646.74 = 366,295.55 : x
  2. Step 2: Convert to fraction form
    672,216.53/927,646.74 = 366,295.55/x
  3. Step 3: Cross multiply
    672,216.53x = 927,646.74 × 366,295.55
  4. Step 4: Simplify right side
    672,216.53x = 339,792,868,195.77
  5. Step 5: Solve for x
    x = 339,792,868,195.77/672,216.53
  6. Step 6: Final answer
    x = 505,481.28

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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.