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Finding the Fourth Proportional to 446,369.74, 669,598.71 and 146,728.78

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Solution

The fourth proportional to 446,369.74, 669,598.71 and 146,728.78 is: 220,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,369.74 : 669,598.71 = 146,728.78 : x
  2. Step 2: Convert to fraction form
    446,369.74/669,598.71 = 146,728.78/x
  3. Step 3: Cross multiply
    446,369.74x = 669,598.71 × 146,728.78
  4. Step 4: Simplify right side
    446,369.74x = 98,249,401,807.87
  5. Step 5: Solve for x
    x = 98,249,401,807.87/446,369.74
  6. Step 6: Final answer
    x = 220,107.67

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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.