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Finding the Fourth Proportional to 672,219.58, 927,651.06 and 366,298.12

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Solution

The fourth proportional to 672,219.58, 927,651.06 and 366,298.12 is: 505,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,219.58 : 927,651.06 = 366,298.12 : x
  2. Step 2: Convert to fraction form
    672,219.58/927,651.06 = 366,298.12/x
  3. Step 3: Cross multiply
    672,219.58x = 927,651.06 × 366,298.12
  4. Step 4: Simplify right side
    672,219.58x = 339,796,839,294.01
  5. Step 5: Solve for x
    x = 339,796,839,294.01/672,219.58
  6. Step 6: Final answer
    x = 505,484.89

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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.