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Finding the Fourth Proportional to 616,538.20, 924,807.30 and 195,856.60

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Solution

The fourth proportional to 616,538.20, 924,807.30 and 195,856.60 is: 293,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,538.20 : 924,807.30 = 195,856.60 : x
  2. Step 2: Convert to fraction form
    616,538.20/924,807.30 = 195,856.60/x
  3. Step 3: Cross multiply
    616,538.20x = 924,807.30 × 195,856.60
  4. Step 4: Simplify right side
    616,538.20x = 181,129,613,433.18
  5. Step 5: Solve for x
    x = 181,129,613,433.18/616,538.20
  6. Step 6: Final answer
    x = 293,784.90

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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.