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Finding the Fourth Proportional to 408,059.60, 571,750 and 408,059.60

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Solution

The fourth proportional to 408,059.60, 571,750 and 408,059.60 is: 571,750

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,059.60 : 571,750 = 408,059.60 : x
  2. Step 2: Convert to fraction form
    408,059.60/571,750 = 408,059.60/x
  3. Step 3: Cross multiply
    408,059.60x = 571,750 × 408,059.60
  4. Step 4: Simplify right side
    408,059.60x = 233,308,076,300
  5. Step 5: Solve for x
    x = 233,308,076,300/408,059.60
  6. Step 6: Final answer
    x = 571,750

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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.