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Finding the Fourth Proportional to 616,525.40, 924,885.30 and 195,843.80

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Solution

The fourth proportional to 616,525.40, 924,885.30 and 195,843.80 is: 293,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,525.40 : 924,885.30 = 195,843.80 : x
  2. Step 2: Convert to fraction form
    616,525.40/924,885.30 = 195,843.80/x
  3. Step 3: Cross multiply
    616,525.40x = 924,885.30 × 195,843.80
  4. Step 4: Simplify right side
    616,525.40x = 181,133,051,716.14
  5. Step 5: Solve for x
    x = 181,133,051,716.14/616,525.40
  6. Step 6: Final answer
    x = 293,796.58

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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.