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Finding the Fourth Proportional to 578,770.41, 798,558.90 and 333,830.06

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Solution

The fourth proportional to 578,770.41, 798,558.90 and 333,830.06 is: 460,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,770.41 : 798,558.90 = 333,830.06 : x
  2. Step 2: Convert to fraction form
    578,770.41/798,558.90 = 333,830.06/x
  3. Step 3: Cross multiply
    578,770.41x = 798,558.90 × 333,830.06
  4. Step 4: Simplify right side
    578,770.41x = 266,582,965,128.27
  5. Step 5: Solve for x
    x = 266,582,965,128.27/578,770.41
  6. Step 6: Final answer
    x = 460,602.27

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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.