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Finding the Fourth Proportional to 434,359.69, 599,415.96 and 243,374.45

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Solution

The fourth proportional to 434,359.69, 599,415.96 and 243,374.45 is: 335,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,359.69 : 599,415.96 = 243,374.45 : x
  2. Step 2: Convert to fraction form
    434,359.69/599,415.96 = 243,374.45/x
  3. Step 3: Cross multiply
    434,359.69x = 599,415.96 × 243,374.45
  4. Step 4: Simplify right side
    434,359.69x = 145,882,529,586.22
  5. Step 5: Solve for x
    x = 145,882,529,586.22/434,359.69
  6. Step 6: Final answer
    x = 335,856.51

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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.