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Finding the Fourth Proportional to 446,701.57, 616,454.17 and 242,756.53

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Solution

The fourth proportional to 446,701.57, 616,454.17 and 242,756.53 is: 335,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,701.57 : 616,454.17 = 242,756.53 : x
  2. Step 2: Convert to fraction form
    446,701.57/616,454.17 = 242,756.53/x
  3. Step 3: Cross multiply
    446,701.57x = 616,454.17 × 242,756.53
  4. Step 4: Simplify right side
    446,701.57x = 149,648,273,065.20
  5. Step 5: Solve for x
    x = 149,648,273,065.20/446,701.57
  6. Step 6: Final answer
    x = 335,007.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.