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Finding the Fourth Proportional to 672,340.64, 927,806.54 and 366,410.82

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Solution

The fourth proportional to 672,340.64, 927,806.54 and 366,410.82 is: 505,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,340.64 : 927,806.54 = 366,410.82 : x
  2. Step 2: Convert to fraction form
    672,340.64/927,806.54 = 366,410.82/x
  3. Step 3: Cross multiply
    672,340.64x = 927,806.54 × 366,410.82
  4. Step 4: Simplify right side
    672,340.64x = 339,958,355,122.76
  5. Step 5: Solve for x
    x = 339,958,355,122.76/672,340.64
  6. Step 6: Final answer
    x = 505,634.10

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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.