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Finding the Fourth Proportional to 434,498.67, 599,645.07 and 243,548.97

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Solution

The fourth proportional to 434,498.67, 599,645.07 and 243,548.97 is: 336,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,498.67 : 599,645.07 = 243,548.97 : x
  2. Step 2: Convert to fraction form
    434,498.67/599,645.07 = 243,548.97/x
  3. Step 3: Cross multiply
    434,498.67x = 599,645.07 × 243,548.97
  4. Step 4: Simplify right side
    434,498.67x = 146,042,938,273.84
  5. Step 5: Solve for x
    x = 146,042,938,273.84/434,498.67
  6. Step 6: Final answer
    x = 336,118.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.