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Finding the Fourth Proportional to 416,017.95, 624,120.88 and 131,725.77

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Solution

The fourth proportional to 416,017.95, 624,120.88 and 131,725.77 is: 197,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,017.95 : 624,120.88 = 131,725.77 : x
  2. Step 2: Convert to fraction form
    416,017.95/624,120.88 = 131,725.77/x
  3. Step 3: Cross multiply
    416,017.95x = 624,120.88 × 131,725.77
  4. Step 4: Simplify right side
    416,017.95x = 82,212,803,491.08
  5. Step 5: Solve for x
    x = 82,212,803,491.08/416,017.95
  6. Step 6: Final answer
    x = 197,618.40

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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.