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Finding the Fourth Proportional to 297,588.39, 446,386.29 and 87,230.58

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Solution

The fourth proportional to 297,588.39, 446,386.29 and 87,230.58 is: 130,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,588.39 : 446,386.29 = 87,230.58 : x
  2. Step 2: Convert to fraction form
    297,588.39/446,386.29 = 87,230.58/x
  3. Step 3: Cross multiply
    297,588.39x = 446,386.29 × 87,230.58
  4. Step 4: Simplify right side
    297,588.39x = 38,938,534,980.75
  5. Step 5: Solve for x
    x = 38,938,534,980.75/297,588.39
  6. Step 6: Final answer
    x = 130,846.96

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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.