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Finding the Fourth Proportional to 304,317.80, 455,439.90 and 304,317.80

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Solution

The fourth proportional to 304,317.80, 455,439.90 and 304,317.80 is: 455,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,317.80 : 455,439.90 = 304,317.80 : x
  2. Step 2: Convert to fraction form
    304,317.80/455,439.90 = 304,317.80/x
  3. Step 3: Cross multiply
    304,317.80x = 455,439.90 × 304,317.80
  4. Step 4: Simplify right side
    304,317.80x = 138,598,468,400.22
  5. Step 5: Solve for x
    x = 138,598,468,400.22/304,317.80
  6. Step 6: Final answer
    x = 455,439.90

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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.