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Finding the Fourth Proportional to 434,698.68, 599,941.98 and 253,414.20

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Solution

The fourth proportional to 434,698.68, 599,941.98 and 253,414.20 is: 349,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,698.68 : 599,941.98 = 253,414.20 : x
  2. Step 2: Convert to fraction form
    434,698.68/599,941.98 = 253,414.20/x
  3. Step 3: Cross multiply
    434,698.68x = 599,941.98 × 253,414.20
  4. Step 4: Simplify right side
    434,698.68x = 152,033,816,908.12
  5. Step 5: Solve for x
    x = 152,033,816,908.12/434,698.68
  6. Step 6: Final answer
    x = 349,745.29

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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.