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Finding the Fourth Proportional to 304,624.60, 456,437.52 and 215,718.44

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Solution

The fourth proportional to 304,624.60, 456,437.52 and 215,718.44 is: 323,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,624.60 : 456,437.52 = 215,718.44 : x
  2. Step 2: Convert to fraction form
    304,624.60/456,437.52 = 215,718.44/x
  3. Step 3: Cross multiply
    304,624.60x = 456,437.52 × 215,718.44
  4. Step 4: Simplify right side
    304,624.60x = 98,461,989,771.87
  5. Step 5: Solve for x
    x = 98,461,989,771.87/304,624.60
  6. Step 6: Final answer
    x = 323,224.03

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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.