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Finding the Fourth Proportional to 304,309.05, 456,463.58 and 79,669.05

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Solution

The fourth proportional to 304,309.05, 456,463.58 and 79,669.05 is: 119,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,309.05 : 456,463.58 = 79,669.05 : x
  2. Step 2: Convert to fraction form
    304,309.05/456,463.58 = 79,669.05/x
  3. Step 3: Cross multiply
    304,309.05x = 456,463.58 × 79,669.05
  4. Step 4: Simplify right side
    304,309.05x = 36,366,019,379.85
  5. Step 5: Solve for x
    x = 36,366,019,379.85/304,309.05
  6. Step 6: Final answer
    x = 119,503.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.