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Finding the Fourth Proportional to 616,540.40, 924,907.80 and 195,858.80

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Solution

The fourth proportional to 616,540.40, 924,907.80 and 195,858.80 is: 293,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,540.40 : 924,907.80 = 195,858.80 : x
  2. Step 2: Convert to fraction form
    616,540.40/924,907.80 = 195,858.80/x
  3. Step 3: Cross multiply
    616,540.40x = 924,907.80 × 195,858.80
  4. Step 4: Simplify right side
    616,540.40x = 181,151,331,818.64
  5. Step 5: Solve for x
    x = 181,151,331,818.64/616,540.40
  6. Step 6: Final answer
    x = 293,819.08

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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.