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Finding the Fourth Proportional to 434,598.76, 599,740.90 and 243,611.88

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Solution

The fourth proportional to 434,598.76, 599,740.90 and 243,611.88 is: 336,181.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,598.76 : 599,740.90 = 243,611.88 : x
  2. Step 2: Convert to fraction form
    434,598.76/599,740.90 = 243,611.88/x
  3. Step 3: Cross multiply
    434,598.76x = 599,740.90 × 243,611.88
  4. Step 4: Simplify right side
    434,598.76x = 146,104,008,161.89
  5. Step 5: Solve for x
    x = 146,104,008,161.89/434,598.76
  6. Step 6: Final answer
    x = 336,181.37

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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.