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Finding the Fourth Proportional to 430,019.89, 593,375.93 and 236,395.67

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Solution

The fourth proportional to 430,019.89, 593,375.93 and 236,395.67 is: 326,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,019.89 : 593,375.93 = 236,395.67 : x
  2. Step 2: Convert to fraction form
    430,019.89/593,375.93 = 236,395.67/x
  3. Step 3: Cross multiply
    430,019.89x = 593,375.93 × 236,395.67
  4. Step 4: Simplify right side
    430,019.89x = 140,271,497,271.85
  5. Step 5: Solve for x
    x = 140,271,497,271.85/430,019.89
  6. Step 6: Final answer
    x = 326,197.70

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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.