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Finding the Fourth Proportional to 446,953.79, 670,451.33 and 147,460.55

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Solution

The fourth proportional to 446,953.79, 670,451.33 and 147,460.55 is: 221,197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,953.79 : 670,451.33 = 147,460.55 : x
  2. Step 2: Convert to fraction form
    446,953.79/670,451.33 = 147,460.55/x
  3. Step 3: Cross multiply
    446,953.79x = 670,451.33 × 147,460.55
  4. Step 4: Simplify right side
    446,953.79x = 98,865,118,886.43
  5. Step 5: Solve for x
    x = 98,865,118,886.43/446,953.79
  6. Step 6: Final answer
    x = 221,197.63

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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.