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Finding the Fourth Proportional to 333,094.90, 499,637.72 and 80,373.28

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Solution

The fourth proportional to 333,094.90, 499,637.72 and 80,373.28 is: 120,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,094.90 : 499,637.72 = 80,373.28 : x
  2. Step 2: Convert to fraction form
    333,094.90/499,637.72 = 80,373.28/x
  3. Step 3: Cross multiply
    333,094.90x = 499,637.72 × 80,373.28
  4. Step 4: Simplify right side
    333,094.90x = 40,157,519,468.07
  5. Step 5: Solve for x
    x = 40,157,519,468.07/333,094.90
  6. Step 6: Final answer
    x = 120,558.80

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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.