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Finding the Fourth Proportional to 218,962.63, 302,250.32 and 170,468.47

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Solution

The fourth proportional to 218,962.63, 302,250.32 and 170,468.47 is: 235,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,962.63 : 302,250.32 = 170,468.47 : x
  2. Step 2: Convert to fraction form
    218,962.63/302,250.32 = 170,468.47/x
  3. Step 3: Cross multiply
    218,962.63x = 302,250.32 × 170,468.47
  4. Step 4: Simplify right side
    218,962.63x = 51,524,149,607.41
  5. Step 5: Solve for x
    x = 51,524,149,607.41/218,962.63
  6. Step 6: Final answer
    x = 235,310.24

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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.