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Finding the Fourth Proportional to 519,733, 779,599.53 and 125,749

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Solution

The fourth proportional to 519,733, 779,599.53 and 125,749 is: 188,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,733 : 779,599.53 = 125,749 : x
  2. Step 2: Convert to fraction form
    519,733/779,599.53 = 125,749/x
  3. Step 3: Cross multiply
    519,733x = 779,599.53 × 125,749
  4. Step 4: Simplify right side
    519,733x = 98,033,861,297.97
  5. Step 5: Solve for x
    x = 98,033,861,297.97/519,733
  6. Step 6: Final answer
    x = 188,623.51

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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.