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Finding the Fourth Proportional to 484,542.29, 668,661.71 and 269,682.45

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Solution

The fourth proportional to 484,542.29, 668,661.71 and 269,682.45 is: 372,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,542.29 : 668,661.71 = 269,682.45 : x
  2. Step 2: Convert to fraction form
    484,542.29/668,661.71 = 269,682.45/x
  3. Step 3: Cross multiply
    484,542.29x = 668,661.71 × 269,682.45
  4. Step 4: Simplify right side
    484,542.29x = 180,326,326,825.58
  5. Step 5: Solve for x
    x = 180,326,326,825.58/484,542.29
  6. Step 6: Final answer
    x = 372,158.08

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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.