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Finding the Fourth Proportional to 594,565.89, 820,157.78 and 379,463.51

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Solution

The fourth proportional to 594,565.89, 820,157.78 and 379,463.51 is: 523,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,565.89 : 820,157.78 = 379,463.51 : x
  2. Step 2: Convert to fraction form
    594,565.89/820,157.78 = 379,463.51/x
  3. Step 3: Cross multiply
    594,565.89x = 820,157.78 × 379,463.51
  4. Step 4: Simplify right side
    594,565.89x = 311,219,949,952.61
  5. Step 5: Solve for x
    x = 311,219,949,952.61/594,565.89
  6. Step 6: Final answer
    x = 523,440.64

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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.