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Finding the Fourth Proportional to 446,721.74, 670,082.75 and 162,359.49

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Solution

The fourth proportional to 446,721.74, 670,082.75 and 162,359.49 is: 243,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,721.74 : 670,082.75 = 162,359.49 : x
  2. Step 2: Convert to fraction form
    446,721.74/670,082.75 = 162,359.49/x
  3. Step 3: Cross multiply
    446,721.74x = 670,082.75 × 162,359.49
  4. Step 4: Simplify right side
    446,721.74x = 108,794,293,547.80
  5. Step 5: Solve for x
    x = 108,794,293,547.80/446,721.74
  6. Step 6: Final answer
    x = 243,539.29

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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.