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Finding the Fourth Proportional to 291,483.60, 437,225.40 and 166,837.20

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Solution

The fourth proportional to 291,483.60, 437,225.40 and 166,837.20 is: 250,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,483.60 : 437,225.40 = 166,837.20 : x
  2. Step 2: Convert to fraction form
    291,483.60/437,225.40 = 166,837.20/x
  3. Step 3: Cross multiply
    291,483.60x = 437,225.40 × 166,837.20
  4. Step 4: Simplify right side
    291,483.60x = 72,945,461,504.88
  5. Step 5: Solve for x
    x = 72,945,461,504.88/291,483.60
  6. Step 6: Final answer
    x = 250,255.80

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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.