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Finding the Fourth Proportional to 594,612.50, 820,565.78 and 322,680.40

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Solution

The fourth proportional to 594,612.50, 820,565.78 and 322,680.40 is: 445,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,612.50 : 820,565.78 = 322,680.40 : x
  2. Step 2: Convert to fraction form
    594,612.50/820,565.78 = 322,680.40/x
  3. Step 3: Cross multiply
    594,612.50x = 820,565.78 × 322,680.40
  4. Step 4: Simplify right side
    594,612.50x = 264,780,494,116.71
  5. Step 5: Solve for x
    x = 264,780,494,116.71/594,612.50
  6. Step 6: Final answer
    x = 445,299.24

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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.