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Finding the Fourth Proportional to 589,123.80, 881,352.90 and 511,104.60

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Solution

The fourth proportional to 589,123.80, 881,352.90 and 511,104.60 is: 764,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,123.80 : 881,352.90 = 511,104.60 : x
  2. Step 2: Convert to fraction form
    589,123.80/881,352.90 = 511,104.60/x
  3. Step 3: Cross multiply
    589,123.80x = 881,352.90 × 511,104.60
  4. Step 4: Simplify right side
    589,123.80x = 450,463,521,413.34
  5. Step 5: Solve for x
    x = 450,463,521,413.34/589,123.80
  6. Step 6: Final answer
    x = 764,633.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.