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Finding the Fourth Proportional to 301,523.80, 452,285.70 and 76,883.80

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Solution

The fourth proportional to 301,523.80, 452,285.70 and 76,883.80 is: 115,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,523.80 : 452,285.70 = 76,883.80 : x
  2. Step 2: Convert to fraction form
    301,523.80/452,285.70 = 76,883.80/x
  3. Step 3: Cross multiply
    301,523.80x = 452,285.70 × 76,883.80
  4. Step 4: Simplify right side
    301,523.80x = 34,773,443,301.66
  5. Step 5: Solve for x
    x = 34,773,443,301.66/301,523.80
  6. Step 6: Final answer
    x = 115,325.70

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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.