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Finding the Fourth Proportional to 349,920.40, 524,880.60 and 242,611.60

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Solution

The fourth proportional to 349,920.40, 524,880.60 and 242,611.60 is: 363,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,920.40 : 524,880.60 = 242,611.60 : x
  2. Step 2: Convert to fraction form
    349,920.40/524,880.60 = 242,611.60/x
  3. Step 3: Cross multiply
    349,920.40x = 524,880.60 × 242,611.60
  4. Step 4: Simplify right side
    349,920.40x = 127,342,122,174.96
  5. Step 5: Solve for x
    x = 127,342,122,174.96/349,920.40
  6. Step 6: Final answer
    x = 363,917.40

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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.