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Finding the Fourth Proportional to 333,911.36, 500,925.36 and 146,918

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Solution

The fourth proportional to 333,911.36, 500,925.36 and 146,918 is: 220,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,911.36 : 500,925.36 = 146,918 : x
  2. Step 2: Convert to fraction form
    333,911.36/500,925.36 = 146,918/x
  3. Step 3: Cross multiply
    333,911.36x = 500,925.36 × 146,918
  4. Step 4: Simplify right side
    333,911.36x = 73,594,952,040.48
  5. Step 5: Solve for x
    x = 73,594,952,040.48/333,911.36
  6. Step 6: Final answer
    x = 220,402.66

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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.