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Finding the Fourth Proportional to 297,434.04, 446,118.42 and 87,074.04

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Solution

The fourth proportional to 297,434.04, 446,118.42 and 87,074.04 is: 130,601.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,434.04 : 446,118.42 = 87,074.04 : x
  2. Step 2: Convert to fraction form
    297,434.04/446,118.42 = 87,074.04/x
  3. Step 3: Cross multiply
    297,434.04x = 446,118.42 × 87,074.04
  4. Step 4: Simplify right side
    297,434.04x = 38,845,333,147.82
  5. Step 5: Solve for x
    x = 38,845,333,147.82/297,434.04
  6. Step 6: Final answer
    x = 130,601.50

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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.