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Finding the Fourth Proportional to 348,546.90, 522,820.35 and 310,493.10

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Solution

The fourth proportional to 348,546.90, 522,820.35 and 310,493.10 is: 465,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,546.90 : 522,820.35 = 310,493.10 : x
  2. Step 2: Convert to fraction form
    348,546.90/522,820.35 = 310,493.10/x
  3. Step 3: Cross multiply
    348,546.90x = 522,820.35 × 310,493.10
  4. Step 4: Simplify right side
    348,546.90x = 162,332,111,214.59
  5. Step 5: Solve for x
    x = 162,332,111,214.59/348,546.90
  6. Step 6: Final answer
    x = 465,739.65

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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.