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Finding the Fourth Proportional to 437,337.42, 603,544.02 and 243,745.22

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Solution

The fourth proportional to 437,337.42, 603,544.02 and 243,745.22 is: 336,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,337.42 : 603,544.02 = 243,745.22 : x
  2. Step 2: Convert to fraction form
    437,337.42/603,544.02 = 243,745.22/x
  3. Step 3: Cross multiply
    437,337.42x = 603,544.02 × 243,745.22
  4. Step 4: Simplify right side
    437,337.42x = 147,110,969,934.58
  5. Step 5: Solve for x
    x = 147,110,969,934.58/437,337.42
  6. Step 6: Final answer
    x = 336,378.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.