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Finding the Fourth Proportional to 397,245.60, 595,868.40 and 368,085.60

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Solution

The fourth proportional to 397,245.60, 595,868.40 and 368,085.60 is: 552,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,245.60 : 595,868.40 = 368,085.60 : x
  2. Step 2: Convert to fraction form
    397,245.60/595,868.40 = 368,085.60/x
  3. Step 3: Cross multiply
    397,245.60x = 595,868.40 × 368,085.60
  4. Step 4: Simplify right side
    397,245.60x = 219,330,577,535.04
  5. Step 5: Solve for x
    x = 219,330,577,535.04/397,245.60
  6. Step 6: Final answer
    x = 552,128.40

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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.