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Finding the Fourth Proportional to 402,384.90, 603,577.35 and 236,496.90

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Solution

The fourth proportional to 402,384.90, 603,577.35 and 236,496.90 is: 354,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,384.90 : 603,577.35 = 236,496.90 : x
  2. Step 2: Convert to fraction form
    402,384.90/603,577.35 = 236,496.90/x
  3. Step 3: Cross multiply
    402,384.90x = 603,577.35 × 236,496.90
  4. Step 4: Simplify right side
    402,384.90x = 142,744,172,185.22
  5. Step 5: Solve for x
    x = 142,744,172,185.22/402,384.90
  6. Step 6: Final answer
    x = 354,745.35

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Similar ratio
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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.