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Finding the Fourth Proportional to 408,055.60, 571,744.40 and 408,055.60

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Solution

The fourth proportional to 408,055.60, 571,744.40 and 408,055.60 is: 571,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,055.60 : 571,744.40 = 408,055.60 : x
  2. Step 2: Convert to fraction form
    408,055.60/571,744.40 = 408,055.60/x
  3. Step 3: Cross multiply
    408,055.60x = 571,744.40 × 408,055.60
  4. Step 4: Simplify right side
    408,055.60x = 233,303,504,188.64
  5. Step 5: Solve for x
    x = 233,303,504,188.64/408,055.60
  6. Step 6: Final answer
    x = 571,744.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.