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Finding the Fourth Proportional to 333,693.90, 500,595.39 and 108,989.10

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Solution

The fourth proportional to 333,693.90, 500,595.39 and 108,989.10 is: 163,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,693.90 : 500,595.39 = 108,989.10 : x
  2. Step 2: Convert to fraction form
    333,693.90/500,595.39 = 108,989.10/x
  3. Step 3: Cross multiply
    333,693.90x = 500,595.39 × 108,989.10
  4. Step 4: Simplify right side
    333,693.90x = 54,559,441,020.25
  5. Step 5: Solve for x
    x = 54,559,441,020.25/333,693.90
  6. Step 6: Final answer
    x = 163,501.46

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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.