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Finding the Fourth Proportional to 616,512.80, 924,538.80 and 242,458.40

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Solution

The fourth proportional to 616,512.80, 924,538.80 and 242,458.40 is: 363,596.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,512.80 : 924,538.80 = 242,458.40 : x
  2. Step 2: Convert to fraction form
    616,512.80/924,538.80 = 242,458.40/x
  3. Step 3: Cross multiply
    616,512.80x = 924,538.80 × 242,458.40
  4. Step 4: Simplify right side
    616,512.80x = 224,162,198,185.92
  5. Step 5: Solve for x
    x = 224,162,198,185.92/616,512.80
  6. Step 6: Final answer
    x = 363,596.99

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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.