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Finding the Fourth Proportional to 358,396.40, 537,659.40 and 180,455.60

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Solution

The fourth proportional to 358,396.40, 537,659.40 and 180,455.60 is: 270,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,396.40 : 537,659.40 = 180,455.60 : x
  2. Step 2: Convert to fraction form
    358,396.40/537,659.40 = 180,455.60/x
  3. Step 3: Cross multiply
    358,396.40x = 537,659.40 × 180,455.60
  4. Step 4: Simplify right side
    358,396.40x = 97,023,649,622.64
  5. Step 5: Solve for x
    x = 97,023,649,622.64/358,396.40
  6. Step 6: Final answer
    x = 270,716.03

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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.