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Finding the Fourth Proportional to 446,872.62, 670,333.77 and 147,341.10

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Solution

The fourth proportional to 446,872.62, 670,333.77 and 147,341.10 is: 221,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,872.62 : 670,333.77 = 147,341.10 : x
  2. Step 2: Convert to fraction form
    446,872.62/670,333.77 = 147,341.10/x
  3. Step 3: Cross multiply
    446,872.62x = 670,333.77 × 147,341.10
  4. Step 4: Simplify right side
    446,872.62x = 98,767,715,038.95
  5. Step 5: Solve for x
    x = 98,767,715,038.95/446,872.62
  6. Step 6: Final answer
    x = 221,019.84

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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.