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Finding the Fourth Proportional to 3,176,455.55, 4,764,968.84 and 902,002.28

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Solution

The fourth proportional to 3,176,455.55, 4,764,968.84 and 902,002.28 is: 1,353,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176,455.55 : 4,764,968.84 = 902,002.28 : x
  2. Step 2: Convert to fraction form
    3,176,455.55/4,764,968.84 = 902,002.28/x
  3. Step 3: Cross multiply
    3,176,455.55x = 4,764,968.84 × 902,002.28
  4. Step 4: Simplify right side
    3,176,455.55x = 4,298,012,736,239.12
  5. Step 5: Solve for x
    x = 4,298,012,736,239.12/3,176,455.55
  6. Step 6: Final answer
    x = 1,353,084.49

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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.