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Finding the Fourth Proportional to 481,957.14, 723,086.81 and 290,041.01

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Solution

The fourth proportional to 481,957.14, 723,086.81 and 290,041.01 is: 435,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,957.14 : 723,086.81 = 290,041.01 : x
  2. Step 2: Convert to fraction form
    481,957.14/723,086.81 = 290,041.01/x
  3. Step 3: Cross multiply
    481,957.14x = 723,086.81 × 290,041.01
  4. Step 4: Simplify right side
    481,957.14x = 209,724,823,624.44
  5. Step 5: Solve for x
    x = 209,724,823,624.44/481,957.14
  6. Step 6: Final answer
    x = 435,152.44

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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.