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Finding the Fourth Proportional to 343,199.40, 514,867.74 and 118,568.04

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Solution

The fourth proportional to 343,199.40, 514,867.74 and 118,568.04 is: 177,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,199.40 : 514,867.74 = 118,568.04 : x
  2. Step 2: Convert to fraction form
    343,199.40/514,867.74 = 118,568.04/x
  3. Step 3: Cross multiply
    343,199.40x = 514,867.74 × 118,568.04
  4. Step 4: Simplify right side
    343,199.40x = 61,046,858,791.03
  5. Step 5: Solve for x
    x = 61,046,858,791.03/343,199.40
  6. Step 6: Final answer
    x = 177,875.77

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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.