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Finding the Fourth Proportional to 545,900.40, 818,850.60 and 190,877.40

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Solution

The fourth proportional to 545,900.40, 818,850.60 and 190,877.40 is: 286,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,900.40 : 818,850.60 = 190,877.40 : x
  2. Step 2: Convert to fraction form
    545,900.40/818,850.60 = 190,877.40/x
  3. Step 3: Cross multiply
    545,900.40x = 818,850.60 × 190,877.40
  4. Step 4: Simplify right side
    545,900.40x = 156,300,073,516.44
  5. Step 5: Solve for x
    x = 156,300,073,516.44/545,900.40
  6. Step 6: Final answer
    x = 286,316.10

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Similar ratio
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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.