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Finding the Fourth Proportional to 484,957.60, 669,262.16 and 270,097.64

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Solution

The fourth proportional to 484,957.60, 669,262.16 and 270,097.64 is: 372,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,957.60 : 669,262.16 = 270,097.64 : x
  2. Step 2: Convert to fraction form
    484,957.60/669,262.16 = 270,097.64/x
  3. Step 3: Cross multiply
    484,957.60x = 669,262.16 × 270,097.64
  4. Step 4: Simplify right side
    484,957.60x = 180,766,129,957.30
  5. Step 5: Solve for x
    x = 180,766,129,957.30/484,957.60
  6. Step 6: Final answer
    x = 372,746.26

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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.