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Finding the Fourth Proportional to 304,346.80, 456,520.20 and 146,537.20

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Solution

The fourth proportional to 304,346.80, 456,520.20 and 146,537.20 is: 219,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,346.80 : 456,520.20 = 146,537.20 : x
  2. Step 2: Convert to fraction form
    304,346.80/456,520.20 = 146,537.20/x
  3. Step 3: Cross multiply
    304,346.80x = 456,520.20 × 146,537.20
  4. Step 4: Simplify right side
    304,346.80x = 66,897,191,851.44
  5. Step 5: Solve for x
    x = 66,897,191,851.44/304,346.80
  6. Step 6: Final answer
    x = 219,805.80

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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.