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Finding the Fourth Proportional to 304,495.22, 456,789 and 220,886.29

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Solution

The fourth proportional to 304,495.22, 456,789 and 220,886.29 is: 331,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,495.22 : 456,789 = 220,886.29 : x
  2. Step 2: Convert to fraction form
    304,495.22/456,789 = 220,886.29/x
  3. Step 3: Cross multiply
    304,495.22x = 456,789 × 220,886.29
  4. Step 4: Simplify right side
    304,495.22x = 100,898,427,522.81
  5. Step 5: Solve for x
    x = 100,898,427,522.81/304,495.22
  6. Step 6: Final answer
    x = 331,362.93

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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.