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Finding the Fourth Proportional to 484,594.47, 668,740.39 and 269,729.93

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Solution

The fourth proportional to 484,594.47, 668,740.39 and 269,729.93 is: 372,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,594.47 : 668,740.39 = 269,729.93 : x
  2. Step 2: Convert to fraction form
    484,594.47/668,740.39 = 269,729.93/x
  3. Step 3: Cross multiply
    484,594.47x = 668,740.39 × 269,729.93
  4. Step 4: Simplify right side
    484,594.47x = 180,379,299,580.40
  5. Step 5: Solve for x
    x = 180,379,299,580.40/484,594.47
  6. Step 6: Final answer
    x = 372,227.32

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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.