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Finding the Fourth Proportional to 616,062.60, 924,231.60 and 216,716.40

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Solution

The fourth proportional to 616,062.60, 924,231.60 and 216,716.40 is: 325,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,062.60 : 924,231.60 = 216,716.40 : x
  2. Step 2: Convert to fraction form
    616,062.60/924,231.60 = 216,716.40/x
  3. Step 3: Cross multiply
    616,062.60x = 924,231.60 × 216,716.40
  4. Step 4: Simplify right side
    616,062.60x = 200,296,145,118.24
  5. Step 5: Solve for x
    x = 200,296,145,118.24/616,062.60
  6. Step 6: Final answer
    x = 325,123.04

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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.