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Finding the Fourth Proportional to 304,015.56, 456,088.58 and 90,800.30

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Solution

The fourth proportional to 304,015.56, 456,088.58 and 90,800.30 is: 136,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,015.56 : 456,088.58 = 90,800.30 : x
  2. Step 2: Convert to fraction form
    304,015.56/456,088.58 = 90,800.30/x
  3. Step 3: Cross multiply
    304,015.56x = 456,088.58 × 90,800.30
  4. Step 4: Simplify right side
    304,015.56x = 41,412,979,890.57
  5. Step 5: Solve for x
    x = 41,412,979,890.57/304,015.56
  6. Step 6: Final answer
    x = 136,219.94

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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.