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Finding the Fourth Proportional to 446,038.45, 669,127.64 and 146,450.84

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Solution

The fourth proportional to 446,038.45, 669,127.64 and 146,450.84 is: 219,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,038.45 : 669,127.64 = 146,450.84 : x
  2. Step 2: Convert to fraction form
    446,038.45/669,127.64 = 146,450.84/x
  3. Step 3: Cross multiply
    446,038.45x = 669,127.64 × 146,450.84
  4. Step 4: Simplify right side
    446,038.45x = 97,994,300,867.33
  5. Step 5: Solve for x
    x = 97,994,300,867.33/446,038.45
  6. Step 6: Final answer
    x = 219,699.22

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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.