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Finding the Fourth Proportional to 300,024.77, 450,002.51 and 75,368.12

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Solution

The fourth proportional to 300,024.77, 450,002.51 and 75,368.12 is: 113,043.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,024.77 : 450,002.51 = 75,368.12 : x
  2. Step 2: Convert to fraction form
    300,024.77/450,002.51 = 75,368.12/x
  3. Step 3: Cross multiply
    300,024.77x = 450,002.51 × 75,368.12
  4. Step 4: Simplify right side
    300,024.77x = 33,915,843,573.00
  5. Step 5: Solve for x
    x = 33,915,843,573.00/300,024.77
  6. Step 6: Final answer
    x = 113,043.48

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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.