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Finding the Fourth Proportional to 413,355.63, 620,036.78 and 113,852.73

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Solution

The fourth proportional to 413,355.63, 620,036.78 and 113,852.73 is: 170,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,355.63 : 620,036.78 = 113,852.73 : x
  2. Step 2: Convert to fraction form
    413,355.63/620,036.78 = 113,852.73/x
  3. Step 3: Cross multiply
    413,355.63x = 620,036.78 × 113,852.73
  4. Step 4: Simplify right side
    413,355.63x = 70,592,879,534.15
  5. Step 5: Solve for x
    x = 70,592,879,534.15/413,355.63
  6. Step 6: Final answer
    x = 170,780.01

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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.