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Finding the Fourth Proportional to 654,432.40, 903,093.60 and 367,968.88

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Solution

The fourth proportional to 654,432.40, 903,093.60 and 367,968.88 is: 507,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,432.40 : 903,093.60 = 367,968.88 : x
  2. Step 2: Convert to fraction form
    654,432.40/903,093.60 = 367,968.88/x
  3. Step 3: Cross multiply
    654,432.40x = 903,093.60 × 367,968.88
  4. Step 4: Simplify right side
    654,432.40x = 332,310,340,527.17
  5. Step 5: Solve for x
    x = 332,310,340,527.17/654,432.40
  6. Step 6: Final answer
    x = 507,784.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.