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Finding the Fourth Proportional to 259,474.80, 388,597.80 and 175,916.40

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Solution

The fourth proportional to 259,474.80, 388,597.80 and 175,916.40 is: 263,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,474.80 : 388,597.80 = 175,916.40 : x
  2. Step 2: Convert to fraction form
    259,474.80/388,597.80 = 175,916.40/x
  3. Step 3: Cross multiply
    259,474.80x = 388,597.80 × 175,916.40
  4. Step 4: Simplify right side
    259,474.80x = 68,360,726,023.92
  5. Step 5: Solve for x
    x = 68,360,726,023.92/259,474.80
  6. Step 6: Final answer
    x = 263,458.05

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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.