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Finding the Fourth Proportional to 333,064.36, 499,602.71 and 108,424

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Solution

The fourth proportional to 333,064.36, 499,602.71 and 108,424 is: 162,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,064.36 : 499,602.71 = 108,424 : x
  2. Step 2: Convert to fraction form
    333,064.36/499,602.71 = 108,424/x
  3. Step 3: Cross multiply
    333,064.36x = 499,602.71 × 108,424
  4. Step 4: Simplify right side
    333,064.36x = 54,168,924,229.04
  5. Step 5: Solve for x
    x = 54,168,924,229.04/333,064.36
  6. Step 6: Final answer
    x = 162,638.01

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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.