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Finding the Fourth Proportional to 382,060.60, 573,090.90 and 193,103.80

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Solution

The fourth proportional to 382,060.60, 573,090.90 and 193,103.80 is: 289,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,060.60 : 573,090.90 = 193,103.80 : x
  2. Step 2: Convert to fraction form
    382,060.60/573,090.90 = 193,103.80/x
  3. Step 3: Cross multiply
    382,060.60x = 573,090.90 × 193,103.80
  4. Step 4: Simplify right side
    382,060.60x = 110,666,030,535.42
  5. Step 5: Solve for x
    x = 110,666,030,535.42/382,060.60
  6. Step 6: Final answer
    x = 289,655.70

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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.