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Finding the Fourth Proportional to 616,079.72, 924,234.78 and 195,242.60

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Solution

The fourth proportional to 616,079.72, 924,234.78 and 195,242.60 is: 292,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,079.72 : 924,234.78 = 195,242.60 : x
  2. Step 2: Convert to fraction form
    616,079.72/924,234.78 = 195,242.60/x
  3. Step 3: Cross multiply
    616,079.72x = 924,234.78 × 195,242.60
  4. Step 4: Simplify right side
    616,079.72x = 180,450,001,457.63
  5. Step 5: Solve for x
    x = 180,450,001,457.63/616,079.72
  6. Step 6: Final answer
    x = 292,900.41

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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.