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Finding the Fourth Proportional to 270,007.40, 404,427.90 and 223,351.40

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Solution

The fourth proportional to 270,007.40, 404,427.90 and 223,351.40 is: 334,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,007.40 : 404,427.90 = 223,351.40 : x
  2. Step 2: Convert to fraction form
    270,007.40/404,427.90 = 223,351.40/x
  3. Step 3: Cross multiply
    270,007.40x = 404,427.90 × 223,351.40
  4. Step 4: Simplify right side
    270,007.40x = 90,329,537,664.06
  5. Step 5: Solve for x
    x = 90,329,537,664.06/270,007.40
  6. Step 6: Final answer
    x = 334,544.67

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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.