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Finding the Fourth Proportional to 434,049.60, 652,072.22 and 306,260.00

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Solution

The fourth proportional to 434,049.60, 652,072.22 and 306,260.00 is: 460,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,049.60 : 652,072.22 = 306,260.00 : x
  2. Step 2: Convert to fraction form
    434,049.60/652,072.22 = 306,260.00/x
  3. Step 3: Cross multiply
    434,049.60x = 652,072.22 × 306,260.00
  4. Step 4: Simplify right side
    434,049.60x = 199,703,640,493.03
  5. Step 5: Solve for x
    x = 199,703,640,493.03/434,049.60
  6. Step 6: Final answer
    x = 460,094.05

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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.