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Finding the Fourth Proportional to 672,319.51, 927,801.07 and 366,395.96

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Solution

The fourth proportional to 672,319.51, 927,801.07 and 366,395.96 is: 505,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,319.51 : 927,801.07 = 366,395.96 : x
  2. Step 2: Convert to fraction form
    672,319.51/927,801.07 = 366,395.96/x
  3. Step 3: Cross multiply
    672,319.51x = 927,801.07 × 366,395.96
  4. Step 4: Simplify right side
    672,319.51x = 339,942,565,135.19
  5. Step 5: Solve for x
    x = 339,942,565,135.19/672,319.51
  6. Step 6: Final answer
    x = 505,626.51

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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.