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Finding the Fourth Proportional to 301,032.80, 451,534.80 and 101,333.60

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Solution

The fourth proportional to 301,032.80, 451,534.80 and 101,333.60 is: 151,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,032.80 : 451,534.80 = 101,333.60 : x
  2. Step 2: Convert to fraction form
    301,032.80/451,534.80 = 101,333.60/x
  3. Step 3: Cross multiply
    301,032.80x = 451,534.80 × 101,333.60
  4. Step 4: Simplify right side
    301,032.80x = 45,755,646,809.28
  5. Step 5: Solve for x
    x = 45,755,646,809.28/301,032.80
  6. Step 6: Final answer
    x = 151,995.55

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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.