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Finding the Fourth Proportional to 408,052.60, 571,740.20 and 408,052.60

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Solution

The fourth proportional to 408,052.60, 571,740.20 and 408,052.60 is: 571,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,052.60 : 571,740.20 = 408,052.60 : x
  2. Step 2: Convert to fraction form
    408,052.60/571,740.20 = 408,052.60/x
  3. Step 3: Cross multiply
    408,052.60x = 571,740.20 × 408,052.60
  4. Step 4: Simplify right side
    408,052.60x = 233,300,075,134.52
  5. Step 5: Solve for x
    x = 233,300,075,134.52/408,052.60
  6. Step 6: Final answer
    x = 571,740.20

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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.