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Finding the Fourth Proportional to 288,043.20, 432,064.80 and 182,937.60

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Solution

The fourth proportional to 288,043.20, 432,064.80 and 182,937.60 is: 274,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,043.20 : 432,064.80 = 182,937.60 : x
  2. Step 2: Convert to fraction form
    288,043.20/432,064.80 = 182,937.60/x
  3. Step 3: Cross multiply
    288,043.20x = 432,064.80 × 182,937.60
  4. Step 4: Simplify right side
    288,043.20x = 79,040,897,556.48
  5. Step 5: Solve for x
    x = 79,040,897,556.48/288,043.20
  6. Step 6: Final answer
    x = 274,406.40

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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.