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Finding the Fourth Proportional to 333,720.58, 500,476.20 and 109,029.82

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Solution

The fourth proportional to 333,720.58, 500,476.20 and 109,029.82 is: 163,510.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,720.58 : 500,476.20 = 109,029.82 : x
  2. Step 2: Convert to fraction form
    333,720.58/500,476.20 = 109,029.82/x
  3. Step 3: Cross multiply
    333,720.58x = 500,476.20 × 109,029.82
  4. Step 4: Simplify right side
    333,720.58x = 54,566,830,000.28
  5. Step 5: Solve for x
    x = 54,566,830,000.28/333,720.58
  6. Step 6: Final answer
    x = 163,510.53

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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.