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Finding the Fourth Proportional to 510,643.04, 766,314.44 and 178,219.04

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Solution

The fourth proportional to 510,643.04, 766,314.44 and 178,219.04 is: 267,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,643.04 : 766,314.44 = 178,219.04 : x
  2. Step 2: Convert to fraction form
    510,643.04/766,314.44 = 178,219.04/x
  3. Step 3: Cross multiply
    510,643.04x = 766,314.44 × 178,219.04
  4. Step 4: Simplify right side
    510,643.04x = 136,571,823,834.94
  5. Step 5: Solve for x
    x = 136,571,823,834.94/510,643.04
  6. Step 6: Final answer
    x = 267,450.67

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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.