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Finding the Fourth Proportional to 304,416.74, 456,628.18 and 135,945.64

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Solution

The fourth proportional to 304,416.74, 456,628.18 and 135,945.64 is: 203,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,416.74 : 456,628.18 = 135,945.64 : x
  2. Step 2: Convert to fraction form
    304,416.74/456,628.18 = 135,945.64/x
  3. Step 3: Cross multiply
    304,416.74x = 456,628.18 × 135,945.64
  4. Step 4: Simplify right side
    304,416.74x = 62,076,610,172.14
  5. Step 5: Solve for x
    x = 62,076,610,172.14/304,416.74
  6. Step 6: Final answer
    x = 203,919.83

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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.