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Finding the Fourth Proportional to 304,554.94, 420,279.64 and 168,588.95

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Solution

The fourth proportional to 304,554.94, 420,279.64 and 168,588.95 is: 232,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,554.94 : 420,279.64 = 168,588.95 : x
  2. Step 2: Convert to fraction form
    304,554.94/420,279.64 = 168,588.95/x
  3. Step 3: Cross multiply
    304,554.94x = 420,279.64 × 168,588.95
  4. Step 4: Simplify right side
    304,554.94x = 70,854,500,691.11
  5. Step 5: Solve for x
    x = 70,854,500,691.11/304,554.94
  6. Step 6: Final answer
    x = 232,649.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.