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Finding the Fourth Proportional to 441,685.03, 662,051.26 and 216,783.67

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Solution

The fourth proportional to 441,685.03, 662,051.26 and 216,783.67 is: 324,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,685.03 : 662,051.26 = 216,783.67 : x
  2. Step 2: Convert to fraction form
    441,685.03/662,051.26 = 216,783.67/x
  3. Step 3: Cross multiply
    441,685.03x = 662,051.26 × 216,783.67
  4. Step 4: Simplify right side
    441,685.03x = 143,521,901,870.92
  5. Step 5: Solve for x
    x = 143,521,901,870.92/441,685.03
  6. Step 6: Final answer
    x = 324,941.74

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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.