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Finding the Fourth Proportional to 434,671.96, 599,846.89 and 243,685.39

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Solution

The fourth proportional to 434,671.96, 599,846.89 and 243,685.39 is: 336,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,671.96 : 599,846.89 = 243,685.39 : x
  2. Step 2: Convert to fraction form
    434,671.96/599,846.89 = 243,685.39/x
  3. Step 3: Cross multiply
    434,671.96x = 599,846.89 × 243,685.39
  4. Step 4: Simplify right side
    434,671.96x = 146,173,920,330.70
  5. Step 5: Solve for x
    x = 146,173,920,330.70/434,671.96
  6. Step 6: Final answer
    x = 336,285.60

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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.