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Finding the Fourth Proportional to 446,859.59, 670,333.12 and 147,217.91

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Solution

The fourth proportional to 446,859.59, 670,333.12 and 147,217.91 is: 220,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,859.59 : 670,333.12 = 147,217.91 : x
  2. Step 2: Convert to fraction form
    446,859.59/670,333.12 = 147,217.91/x
  3. Step 3: Cross multiply
    446,859.59x = 670,333.12 × 147,217.91
  4. Step 4: Simplify right side
    446,859.59x = 98,685,037,210.47
  5. Step 5: Solve for x
    x = 98,685,037,210.47/446,859.59
  6. Step 6: Final answer
    x = 220,841.27

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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.