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Finding the Fourth Proportional to 484,497.60, 668,597.52 and 269,635.68

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Solution

The fourth proportional to 484,497.60, 668,597.52 and 269,635.68 is: 372,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,497.60 : 668,597.52 = 269,635.68 : x
  2. Step 2: Convert to fraction form
    484,497.60/668,597.52 = 269,635.68/x
  3. Step 3: Cross multiply
    484,497.60x = 668,597.52 × 269,635.68
  4. Step 4: Simplify right side
    484,497.60x = 180,277,746,951.51
  5. Step 5: Solve for x
    x = 180,277,746,951.51/484,497.60
  6. Step 6: Final answer
    x = 372,092.14

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1.5x scale

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.