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Finding the Fourth Proportional to 304,311.45, 456,467.18 and 304,311.45

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Solution

The fourth proportional to 304,311.45, 456,467.18 and 304,311.45 is: 456,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,311.45 : 456,467.18 = 304,311.45 : x
  2. Step 2: Convert to fraction form
    304,311.45/456,467.18 = 304,311.45/x
  3. Step 3: Cross multiply
    304,311.45x = 456,467.18 × 304,311.45
  4. Step 4: Simplify right side
    304,311.45x = 138,908,187,901.65
  5. Step 5: Solve for x
    x = 138,908,187,901.65/304,311.45
  6. Step 6: Final answer
    x = 456,467.18

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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.