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Finding the Fourth Proportional to 530,342, 795,512.99 and 436,650.92

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Solution

The fourth proportional to 530,342, 795,512.99 and 436,650.92 is: 654,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,342 : 795,512.99 = 436,650.92 : x
  2. Step 2: Convert to fraction form
    530,342/795,512.99 = 436,650.92/x
  3. Step 3: Cross multiply
    530,342x = 795,512.99 × 436,650.92
  4. Step 4: Simplify right side
    530,342x = 347,361,478,955.45
  5. Step 5: Solve for x
    x = 347,361,478,955.45/530,342
  6. Step 6: Final answer
    x = 654,976.37

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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.