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Finding the Fourth Proportional to 595,903.98, 822,363.36 and 323,990.16

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Solution

The fourth proportional to 595,903.98, 822,363.36 and 323,990.16 is: 447,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,903.98 : 822,363.36 = 323,990.16 : x
  2. Step 2: Convert to fraction form
    595,903.98/822,363.36 = 323,990.16/x
  3. Step 3: Cross multiply
    595,903.98x = 822,363.36 × 323,990.16
  4. Step 4: Simplify right side
    595,903.98x = 266,437,636,584.54
  5. Step 5: Solve for x
    x = 266,437,636,584.54/595,903.98
  6. Step 6: Final answer
    x = 447,115.05

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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.