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Finding the Fourth Proportional to 595,660.88, 822,018.36 and 323,728.78

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Solution

The fourth proportional to 595,660.88, 822,018.36 and 323,728.78 is: 446,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,660.88 : 822,018.36 = 323,728.78 : x
  2. Step 2: Convert to fraction form
    595,660.88/822,018.36 = 323,728.78/x
  3. Step 3: Cross multiply
    595,660.88x = 822,018.36 × 323,728.78
  4. Step 4: Simplify right side
    595,660.88x = 266,111,000,820.40
  5. Step 5: Solve for x
    x = 266,111,000,820.40/595,660.88
  6. Step 6: Final answer
    x = 446,749.17

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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.