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Finding the Fourth Proportional to 446,258.47, 669,387.76 and 113,834.47

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Solution

The fourth proportional to 446,258.47, 669,387.76 and 113,834.47 is: 170,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,258.47 : 669,387.76 = 113,834.47 : x
  2. Step 2: Convert to fraction form
    446,258.47/669,387.76 = 113,834.47/x
  3. Step 3: Cross multiply
    446,258.47x = 669,387.76 × 113,834.47
  4. Step 4: Simplify right side
    446,258.47x = 76,199,400,314.91
  5. Step 5: Solve for x
    x = 76,199,400,314.91/446,258.47
  6. Step 6: Final answer
    x = 170,751.72

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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.