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Finding the Fourth Proportional to 219,479.19, 329,184.44 and 69,699.76

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Solution

The fourth proportional to 219,479.19, 329,184.44 and 69,699.76 is: 104,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,479.19 : 329,184.44 = 69,699.76 : x
  2. Step 2: Convert to fraction form
    219,479.19/329,184.44 = 69,699.76/x
  3. Step 3: Cross multiply
    219,479.19x = 329,184.44 × 69,699.76
  4. Step 4: Simplify right side
    219,479.19x = 22,944,075,553.65
  5. Step 5: Solve for x
    x = 22,944,075,553.65/219,479.19
  6. Step 6: Final answer
    x = 104,538.73

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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.