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Finding the Fourth Proportional to 434,750.16, 599,325.30 and 305,294.34

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Solution

The fourth proportional to 434,750.16, 599,325.30 and 305,294.34 is: 420,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,750.16 : 599,325.30 = 305,294.34 : x
  2. Step 2: Convert to fraction form
    434,750.16/599,325.30 = 305,294.34/x
  3. Step 3: Cross multiply
    434,750.16x = 599,325.30 × 305,294.34
  4. Step 4: Simplify right side
    434,750.16x = 182,970,621,908.80
  5. Step 5: Solve for x
    x = 182,970,621,908.80/434,750.16
  6. Step 6: Final answer
    x = 420,863.84

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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.