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Finding the Fourth Proportional to 616,244.20, 924,366.30 and 216,881.80

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Solution

The fourth proportional to 616,244.20, 924,366.30 and 216,881.80 is: 325,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,244.20 : 924,366.30 = 216,881.80 : x
  2. Step 2: Convert to fraction form
    616,244.20/924,366.30 = 216,881.80/x
  3. Step 3: Cross multiply
    616,244.20x = 924,366.30 × 216,881.80
  4. Step 4: Simplify right side
    616,244.20x = 200,478,227,003.34
  5. Step 5: Solve for x
    x = 200,478,227,003.34/616,244.20
  6. Step 6: Final answer
    x = 325,322.70

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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.