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Finding the Fourth Proportional to 500,490.98, 750,379.79 and 234,106.28

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Solution

The fourth proportional to 500,490.98, 750,379.79 and 234,106.28 is: 350,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,490.98 : 750,379.79 = 234,106.28 : x
  2. Step 2: Convert to fraction form
    500,490.98/750,379.79 = 234,106.28/x
  3. Step 3: Cross multiply
    500,490.98x = 750,379.79 × 234,106.28
  4. Step 4: Simplify right side
    500,490.98x = 175,668,618,057.45
  5. Step 5: Solve for x
    x = 175,668,618,057.45/500,490.98
  6. Step 6: Final answer
    x = 350,992.58

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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.