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Finding the Fourth Proportional to 301,617.90, 452,487.60 and 88,385.40

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Solution

The fourth proportional to 301,617.90, 452,487.60 and 88,385.40 is: 132,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,617.90 : 452,487.60 = 88,385.40 : x
  2. Step 2: Convert to fraction form
    301,617.90/452,487.60 = 88,385.40/x
  3. Step 3: Cross multiply
    301,617.90x = 452,487.60 × 88,385.40
  4. Step 4: Simplify right side
    301,617.90x = 39,993,297,521.04
  5. Step 5: Solve for x
    x = 39,993,297,521.04/301,617.90
  6. Step 6: Final answer
    x = 132,595.90

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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.