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Finding the Fourth Proportional to 478,869.60, 718,203.60 and 241,989.60

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Solution

The fourth proportional to 478,869.60, 718,203.60 and 241,989.60 is: 362,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,869.60 : 718,203.60 = 241,989.60 : x
  2. Step 2: Convert to fraction form
    478,869.60/718,203.60 = 241,989.60/x
  3. Step 3: Cross multiply
    478,869.60x = 718,203.60 × 241,989.60
  4. Step 4: Simplify right side
    478,869.60x = 173,797,801,882.56
  5. Step 5: Solve for x
    x = 173,797,801,882.56/478,869.60
  6. Step 6: Final answer
    x = 362,933.46

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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.