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Finding the Fourth Proportional to 434,689.62, 599,910.75 and 253,460.22

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Solution

The fourth proportional to 434,689.62, 599,910.75 and 253,460.22 is: 349,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,689.62 : 599,910.75 = 253,460.22 : x
  2. Step 2: Convert to fraction form
    434,689.62/599,910.75 = 253,460.22/x
  3. Step 3: Cross multiply
    434,689.62x = 599,910.75 × 253,460.22
  4. Step 4: Simplify right side
    434,689.62x = 152,053,510,675.37
  5. Step 5: Solve for x
    x = 152,053,510,675.37/434,689.62
  6. Step 6: Final answer
    x = 349,797.89

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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.