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Finding the Fourth Proportional to 484,964.48, 669,271.84 and 270,104.64

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Solution

The fourth proportional to 484,964.48, 669,271.84 and 270,104.64 is: 372,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,964.48 : 669,271.84 = 270,104.64 : x
  2. Step 2: Convert to fraction form
    484,964.48/669,271.84 = 270,104.64/x
  3. Step 3: Cross multiply
    484,964.48x = 669,271.84 × 270,104.64
  4. Step 4: Simplify right side
    484,964.48x = 180,773,429,405.34
  5. Step 5: Solve for x
    x = 180,773,429,405.34/484,964.48
  6. Step 6: Final answer
    x = 372,756.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.