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Finding the Fourth Proportional to 304,301.80, 455,415.90 and 304,301.80

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Solution

The fourth proportional to 304,301.80, 455,415.90 and 304,301.80 is: 455,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,301.80 : 455,415.90 = 304,301.80 : x
  2. Step 2: Convert to fraction form
    304,301.80/455,415.90 = 304,301.80/x
  3. Step 3: Cross multiply
    304,301.80x = 455,415.90 × 304,301.80
  4. Step 4: Simplify right side
    304,301.80x = 138,583,878,118.62
  5. Step 5: Solve for x
    x = 138,583,878,118.62/304,301.80
  6. Step 6: Final answer
    x = 455,415.90

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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.