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Finding the Fourth Proportional to 637,435.29, 955,930.11 and 188,036.89

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Solution

The fourth proportional to 637,435.29, 955,930.11 and 188,036.89 is: 281,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,435.29 : 955,930.11 = 188,036.89 : x
  2. Step 2: Convert to fraction form
    637,435.29/955,930.11 = 188,036.89/x
  3. Step 3: Cross multiply
    637,435.29x = 955,930.11 × 188,036.89
  4. Step 4: Simplify right side
    637,435.29x = 179,750,124,941.76
  5. Step 5: Solve for x
    x = 179,750,124,941.76/637,435.29
  6. Step 6: Final answer
    x = 281,989.60

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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.