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Finding the Fourth Proportional to 260,448.96, 359,354.76 and 151,571.16

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Solution

The fourth proportional to 260,448.96, 359,354.76 and 151,571.16 is: 209,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,448.96 : 359,354.76 = 151,571.16 : x
  2. Step 2: Convert to fraction form
    260,448.96/359,354.76 = 151,571.16/x
  3. Step 3: Cross multiply
    260,448.96x = 359,354.76 × 151,571.16
  4. Step 4: Simplify right side
    260,448.96x = 54,467,817,824.72
  5. Step 5: Solve for x
    x = 54,467,817,824.72/260,448.96
  6. Step 6: Final answer
    x = 209,130.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.