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Finding the Fourth Proportional to 434,674.50, 599,853 and 253,512.06

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Solution

The fourth proportional to 434,674.50, 599,853 and 253,512.06 is: 349,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,674.50 : 599,853 = 253,512.06 : x
  2. Step 2: Convert to fraction form
    434,674.50/599,853 = 253,512.06/x
  3. Step 3: Cross multiply
    434,674.50x = 599,853 × 253,512.06
  4. Step 4: Simplify right side
    434,674.50x = 152,069,969,727.18
  5. Step 5: Solve for x
    x = 152,069,969,727.18/434,674.50
  6. Step 6: Final answer
    x = 349,847.92

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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.