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Finding the Fourth Proportional to 358,817.34, 538,039.14 and 169,226.80

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Solution

The fourth proportional to 358,817.34, 538,039.14 and 169,226.80 is: 253,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,817.34 : 538,039.14 = 169,226.80 : x
  2. Step 2: Convert to fraction form
    358,817.34/538,039.14 = 169,226.80/x
  3. Step 3: Cross multiply
    358,817.34x = 538,039.14 × 169,226.80
  4. Step 4: Simplify right side
    358,817.34x = 91,050,643,676.31
  5. Step 5: Solve for x
    x = 91,050,643,676.31/358,817.34
  6. Step 6: Final answer
    x = 253,752.07

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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.