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Finding the Fourth Proportional to 333,307, 500,012.64 and 108,615.28

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Solution

The fourth proportional to 333,307, 500,012.64 and 108,615.28 is: 162,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,307 : 500,012.64 = 108,615.28 : x
  2. Step 2: Convert to fraction form
    333,307/500,012.64 = 108,615.28/x
  3. Step 3: Cross multiply
    333,307x = 500,012.64 × 108,615.28
  4. Step 4: Simplify right side
    333,307x = 54,309,012,897.14
  5. Step 5: Solve for x
    x = 54,309,012,897.14/333,307
  6. Step 6: Final answer
    x = 162,939.91

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1.5x scale

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.