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Finding the Fourth Proportional to 245,816.60, 368,068.80 and 245,816.60

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Solution

The fourth proportional to 245,816.60, 368,068.80 and 245,816.60 is: 368,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,816.60 : 368,068.80 = 245,816.60 : x
  2. Step 2: Convert to fraction form
    245,816.60/368,068.80 = 245,816.60/x
  3. Step 3: Cross multiply
    245,816.60x = 368,068.80 × 245,816.60
  4. Step 4: Simplify right side
    245,816.60x = 90,477,420,982.08
  5. Step 5: Solve for x
    x = 90,477,420,982.08/245,816.60
  6. Step 6: Final answer
    x = 368,068.80

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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.