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Finding the Fourth Proportional to 446,444.63, 669,763.94 and 146,955.63

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Solution

The fourth proportional to 446,444.63, 669,763.94 and 146,955.63 is: 220,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,444.63 : 669,763.94 = 146,955.63 : x
  2. Step 2: Convert to fraction form
    446,444.63/669,763.94 = 146,955.63/x
  3. Step 3: Cross multiply
    446,444.63x = 669,763.94 × 146,955.63
  4. Step 4: Simplify right side
    446,444.63x = 98,425,581,019.20
  5. Step 5: Solve for x
    x = 98,425,581,019.20/446,444.63
  6. Step 6: Final answer
    x = 220,465.37

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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.