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Finding the Fourth Proportional to 304,498.20, 427,230.60 and 304,498.20

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Solution

The fourth proportional to 304,498.20, 427,230.60 and 304,498.20 is: 427,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,498.20 : 427,230.60 = 304,498.20 : x
  2. Step 2: Convert to fraction form
    304,498.20/427,230.60 = 304,498.20/x
  3. Step 3: Cross multiply
    304,498.20x = 427,230.60 × 304,498.20
  4. Step 4: Simplify right side
    304,498.20x = 130,090,948,684.92
  5. Step 5: Solve for x
    x = 130,090,948,684.92/304,498.20
  6. Step 6: Final answer
    x = 427,230.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.