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Finding the Fourth Proportional to 616,163.40, 924,245.10 and 217,254.60

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Solution

The fourth proportional to 616,163.40, 924,245.10 and 217,254.60 is: 325,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,163.40 : 924,245.10 = 217,254.60 : x
  2. Step 2: Convert to fraction form
    616,163.40/924,245.10 = 217,254.60/x
  3. Step 3: Cross multiply
    616,163.40x = 924,245.10 × 217,254.60
  4. Step 4: Simplify right side
    616,163.40x = 200,796,499,502.46
  5. Step 5: Solve for x
    x = 200,796,499,502.46/616,163.40
  6. Step 6: Final answer
    x = 325,881.90

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Similar ratio
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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.