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Finding the Fourth Proportional to 357,329.70, 535,605.75 and 146,911.14

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Solution

The fourth proportional to 357,329.70, 535,605.75 and 146,911.14 is: 220,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,329.70 : 535,605.75 = 146,911.14 : x
  2. Step 2: Convert to fraction form
    357,329.70/535,605.75 = 146,911.14/x
  3. Step 3: Cross multiply
    357,329.70x = 535,605.75 × 146,911.14
  4. Step 4: Simplify right side
    357,329.70x = 78,686,451,323.06
  5. Step 5: Solve for x
    x = 78,686,451,323.06/357,329.70
  6. Step 6: Final answer
    x = 220,206.86

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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.