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Finding the Fourth Proportional to 286,327.04, 429,300.99 and 136,590.44

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Solution

The fourth proportional to 286,327.04, 429,300.99 and 136,590.44 is: 204,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,327.04 : 429,300.99 = 136,590.44 : x
  2. Step 2: Convert to fraction form
    286,327.04/429,300.99 = 136,590.44/x
  3. Step 3: Cross multiply
    286,327.04x = 429,300.99 × 136,590.44
  4. Step 4: Simplify right side
    286,327.04x = 58,638,408,970.03
  5. Step 5: Solve for x
    x = 58,638,408,970.03/286,327.04
  6. Step 6: Final answer
    x = 204,795.22

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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.