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Finding the Fourth Proportional to 352,429.34, 486,352.97 and 191,284.35

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Solution

The fourth proportional to 352,429.34, 486,352.97 and 191,284.35 is: 263,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,429.34 : 486,352.97 = 191,284.35 : x
  2. Step 2: Convert to fraction form
    352,429.34/486,352.97 = 191,284.35/x
  3. Step 3: Cross multiply
    352,429.34x = 486,352.97 × 191,284.35
  4. Step 4: Simplify right side
    352,429.34x = 93,031,710,780.60
  5. Step 5: Solve for x
    x = 93,031,710,780.60/352,429.34
  6. Step 6: Final answer
    x = 263,972.66

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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.