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Finding the Fourth Proportional to 343,703.22, 515,563.47 and 94,384.50

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Solution

The fourth proportional to 343,703.22, 515,563.47 and 94,384.50 is: 141,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,703.22 : 515,563.47 = 94,384.50 : x
  2. Step 2: Convert to fraction form
    343,703.22/515,563.47 = 94,384.50/x
  3. Step 3: Cross multiply
    343,703.22x = 515,563.47 × 94,384.50
  4. Step 4: Simplify right side
    343,703.22x = 48,661,200,334.22
  5. Step 5: Solve for x
    x = 48,661,200,334.22/343,703.22
  6. Step 6: Final answer
    x = 141,579.12

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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.