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Finding the Fourth Proportional to 434,703, 599,891.76 and 253,540.02

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Solution

The fourth proportional to 434,703, 599,891.76 and 253,540.02 is: 349,886.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,703 : 599,891.76 = 253,540.02 : x
  2. Step 2: Convert to fraction form
    434,703/599,891.76 = 253,540.02/x
  3. Step 3: Cross multiply
    434,703x = 599,891.76 × 253,540.02
  4. Step 4: Simplify right side
    434,703x = 152,096,568,828.24
  5. Step 5: Solve for x
    x = 152,096,568,828.24/434,703
  6. Step 6: Final answer
    x = 349,886.17

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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.