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Finding the Fourth Proportional to 533,393.40, 800,090.10 and 134,047.20

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Solution

The fourth proportional to 533,393.40, 800,090.10 and 134,047.20 is: 201,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,393.40 : 800,090.10 = 134,047.20 : x
  2. Step 2: Convert to fraction form
    533,393.40/800,090.10 = 134,047.20/x
  3. Step 3: Cross multiply
    533,393.40x = 800,090.10 × 134,047.20
  4. Step 4: Simplify right side
    533,393.40x = 107,249,837,652.72
  5. Step 5: Solve for x
    x = 107,249,837,652.72/533,393.40
  6. Step 6: Final answer
    x = 201,070.80

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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.