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Finding the Fourth Proportional to 362,370.83, 543,466.43 and 122,479.40

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Solution

The fourth proportional to 362,370.83, 543,466.43 and 122,479.40 is: 183,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,370.83 : 543,466.43 = 122,479.40 : x
  2. Step 2: Convert to fraction form
    362,370.83/543,466.43 = 122,479.40/x
  3. Step 3: Cross multiply
    362,370.83x = 543,466.43 × 122,479.40
  4. Step 4: Simplify right side
    362,370.83x = 66,563,444,031.81
  5. Step 5: Solve for x
    x = 66,563,444,031.81/362,370.83
  6. Step 6: Final answer
    x = 183,688.75

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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.