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Finding the Fourth Proportional to 798,152.78, 1,197,200 and 237,172.70

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Solution

The fourth proportional to 798,152.78, 1,197,200 and 237,172.70 is: 355,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,152.78 : 1,197,200 = 237,172.70 : x
  2. Step 2: Convert to fraction form
    798,152.78/1,197,200 = 237,172.70/x
  3. Step 3: Cross multiply
    798,152.78x = 1,197,200 × 237,172.70
  4. Step 4: Simplify right side
    798,152.78x = 283,943,156,440
  5. Step 5: Solve for x
    x = 283,943,156,440/798,152.78
  6. Step 6: Final answer
    x = 355,750.38

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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.