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Finding the Fourth Proportional to 483,313.02, 725,100.21 and 343,956.30

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Solution

The fourth proportional to 483,313.02, 725,100.21 and 343,956.30 is: 516,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,313.02 : 725,100.21 = 343,956.30 : x
  2. Step 2: Convert to fraction form
    483,313.02/725,100.21 = 343,956.30/x
  3. Step 3: Cross multiply
    483,313.02x = 725,100.21 × 343,956.30
  4. Step 4: Simplify right side
    483,313.02x = 249,402,785,360.82
  5. Step 5: Solve for x
    x = 249,402,785,360.82/483,313.02
  6. Step 6: Final answer
    x = 516,027.45

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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.