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Finding the Fourth Proportional to 301,997.17, 452,985.39 and 77,359.57

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Solution

The fourth proportional to 301,997.17, 452,985.39 and 77,359.57 is: 116,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,997.17 : 452,985.39 = 77,359.57 : x
  2. Step 2: Convert to fraction form
    301,997.17/452,985.39 = 77,359.57/x
  3. Step 3: Cross multiply
    301,997.17x = 452,985.39 × 77,359.57
  4. Step 4: Simplify right side
    301,997.17x = 35,042,754,986.68
  5. Step 5: Solve for x
    x = 35,042,754,986.68/301,997.17
  6. Step 6: Final answer
    x = 116,036.70

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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.