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Finding the Fourth Proportional to 492,085.70, 737,734.35 and 452,719.70

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Solution

The fourth proportional to 492,085.70, 737,734.35 and 452,719.70 is: 678,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,085.70 : 737,734.35 = 452,719.70 : x
  2. Step 2: Convert to fraction form
    492,085.70/737,734.35 = 452,719.70/x
  3. Step 3: Cross multiply
    492,085.70x = 737,734.35 × 452,719.70
  4. Step 4: Simplify right side
    492,085.70x = 333,986,873,611.70
  5. Step 5: Solve for x
    x = 333,986,873,611.70/492,085.70
  6. Step 6: Final answer
    x = 678,716.89

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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.