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Finding the Fourth Proportional to 434,487.84, 599,616.72 and 243,562.56

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Solution

The fourth proportional to 434,487.84, 599,616.72 and 243,562.56 is: 336,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,487.84 : 599,616.72 = 243,562.56 : x
  2. Step 2: Convert to fraction form
    434,487.84/599,616.72 = 243,562.56/x
  3. Step 3: Cross multiply
    434,487.84x = 599,616.72 × 243,562.56
  4. Step 4: Simplify right side
    434,487.84x = 146,044,183,342.00
  5. Step 5: Solve for x
    x = 146,044,183,342.00/434,487.84
  6. Step 6: Final answer
    x = 336,129.51

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Similar ratio
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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.