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Finding the Fourth Proportional to 616,115.40, 924,201.90 and 195,424.20

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Solution

The fourth proportional to 616,115.40, 924,201.90 and 195,424.20 is: 293,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,115.40 : 924,201.90 = 195,424.20 : x
  2. Step 2: Convert to fraction form
    616,115.40/924,201.90 = 195,424.20/x
  3. Step 3: Cross multiply
    616,115.40x = 924,201.90 × 195,424.20
  4. Step 4: Simplify right side
    616,115.40x = 180,611,416,945.98
  5. Step 5: Solve for x
    x = 180,611,416,945.98/616,115.40
  6. Step 6: Final answer
    x = 293,145.44

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1.5x scale

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.