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Finding the Fourth Proportional to 585,155.58, 877,986.93 and 206,346.98

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Solution

The fourth proportional to 585,155.58, 877,986.93 and 206,346.98 is: 309,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,155.58 : 877,986.93 = 206,346.98 : x
  2. Step 2: Convert to fraction form
    585,155.58/877,986.93 = 206,346.98/x
  3. Step 3: Cross multiply
    585,155.58x = 877,986.93 × 206,346.98
  4. Step 4: Simplify right side
    585,155.58x = 181,169,948,354.36
  5. Step 5: Solve for x
    x = 181,169,948,354.36/585,155.58
  6. Step 6: Final answer
    x = 309,609.88

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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.