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Finding the Fourth Proportional to 363,130.40, 544,047.60 and 175,728.80

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Solution

The fourth proportional to 363,130.40, 544,047.60 and 175,728.80 is: 263,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,130.40 : 544,047.60 = 175,728.80 : x
  2. Step 2: Convert to fraction form
    363,130.40/544,047.60 = 175,728.80/x
  3. Step 3: Cross multiply
    363,130.40x = 544,047.60 × 175,728.80
  4. Step 4: Simplify right side
    363,130.40x = 95,604,831,890.88
  5. Step 5: Solve for x
    x = 95,604,831,890.88/363,130.40
  6. Step 6: Final answer
    x = 263,279.61

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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.