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Finding the Fourth Proportional to 343,615.60, 514,548.60 and 327,869.20

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Solution

The fourth proportional to 343,615.60, 514,548.60 and 327,869.20 is: 490,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,615.60 : 514,548.60 = 327,869.20 : x
  2. Step 2: Convert to fraction form
    343,615.60/514,548.60 = 327,869.20/x
  3. Step 3: Cross multiply
    343,615.60x = 514,548.60 × 327,869.20
  4. Step 4: Simplify right side
    343,615.60x = 168,704,637,843.12
  5. Step 5: Solve for x
    x = 168,704,637,843.12/343,615.60
  6. Step 6: Final answer
    x = 490,969.09

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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.