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Finding the Fourth Proportional to 532,811.80, 799,314.90 and 217,300.60

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Solution

The fourth proportional to 532,811.80, 799,314.90 and 217,300.60 is: 325,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,811.80 : 799,314.90 = 217,300.60 : x
  2. Step 2: Convert to fraction form
    532,811.80/799,314.90 = 217,300.60/x
  3. Step 3: Cross multiply
    532,811.80x = 799,314.90 × 217,300.60
  4. Step 4: Simplify right side
    532,811.80x = 173,691,607,358.94
  5. Step 5: Solve for x
    x = 173,691,607,358.94/532,811.80
  6. Step 6: Final answer
    x = 325,990.54

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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.