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Finding the Fourth Proportional to 616,599.99, 850,671.75 and 374,794.35

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Solution

The fourth proportional to 616,599.99, 850,671.75 and 374,794.35 is: 517,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,599.99 : 850,671.75 = 374,794.35 : x
  2. Step 2: Convert to fraction form
    616,599.99/850,671.75 = 374,794.35/x
  3. Step 3: Cross multiply
    616,599.99x = 850,671.75 × 374,794.35
  4. Step 4: Simplify right side
    616,599.99x = 318,826,965,604.61
  5. Step 5: Solve for x
    x = 318,826,965,604.61/616,599.99
  6. Step 6: Final answer
    x = 517,072.61

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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.