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Finding the Fourth Proportional to 340,063.92, 469,291.80 and 187,104.12

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Solution

The fourth proportional to 340,063.92, 469,291.80 and 187,104.12 is: 258,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,063.92 : 469,291.80 = 187,104.12 : x
  2. Step 2: Convert to fraction form
    340,063.92/469,291.80 = 187,104.12/x
  3. Step 3: Cross multiply
    340,063.92x = 469,291.80 × 187,104.12
  4. Step 4: Simplify right side
    340,063.92x = 87,806,429,262.22
  5. Step 5: Solve for x
    x = 87,806,429,262.22/340,063.92
  6. Step 6: Final answer
    x = 258,205.66

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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.