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Finding the Fourth Proportional to 482,595.75, 722,081.01 and 300,281.94

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Solution

The fourth proportional to 482,595.75, 722,081.01 and 300,281.94 is: 449,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,595.75 : 722,081.01 = 300,281.94 : x
  2. Step 2: Convert to fraction form
    482,595.75/722,081.01 = 300,281.94/x
  3. Step 3: Cross multiply
    482,595.75x = 722,081.01 × 300,281.94
  4. Step 4: Simplify right side
    482,595.75x = 216,827,886,519.96
  5. Step 5: Solve for x
    x = 216,827,886,519.96/482,595.75
  6. Step 6: Final answer
    x = 449,295.06

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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.