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Finding the Fourth Proportional to 259,655.26, 358,325.32 and 140,423.26

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Solution

The fourth proportional to 259,655.26, 358,325.32 and 140,423.26 is: 193,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,655.26 : 358,325.32 = 140,423.26 : x
  2. Step 2: Convert to fraction form
    259,655.26/358,325.32 = 140,423.26/x
  3. Step 3: Cross multiply
    259,655.26x = 358,325.32 × 140,423.26
  4. Step 4: Simplify right side
    259,655.26x = 50,317,209,574.94
  5. Step 5: Solve for x
    x = 50,317,209,574.94/259,655.26
  6. Step 6: Final answer
    x = 193,784.67

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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.