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Finding the Fourth Proportional to 245,425.60, 368,138.40 and 201,102.40

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Solution

The fourth proportional to 245,425.60, 368,138.40 and 201,102.40 is: 301,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,425.60 : 368,138.40 = 201,102.40 : x
  2. Step 2: Convert to fraction form
    245,425.60/368,138.40 = 201,102.40/x
  3. Step 3: Cross multiply
    245,425.60x = 368,138.40 × 201,102.40
  4. Step 4: Simplify right side
    245,425.60x = 74,033,515,772.16
  5. Step 5: Solve for x
    x = 74,033,515,772.16/245,425.60
  6. Step 6: Final answer
    x = 301,653.60

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1.5x scale

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.