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Finding the Fourth Proportional to 304,537.20, 456,805.80 and 146,781.60

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Solution

The fourth proportional to 304,537.20, 456,805.80 and 146,781.60 is: 220,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,537.20 : 456,805.80 = 146,781.60 : x
  2. Step 2: Convert to fraction form
    304,537.20/456,805.80 = 146,781.60/x
  3. Step 3: Cross multiply
    304,537.20x = 456,805.80 × 146,781.60
  4. Step 4: Simplify right side
    304,537.20x = 67,050,686,213.28
  5. Step 5: Solve for x
    x = 67,050,686,213.28/304,537.20
  6. Step 6: Final answer
    x = 220,172.40

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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.