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Finding the Fourth Proportional to 302,797.20, 417,860.13 and 168,661.20

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Solution

The fourth proportional to 302,797.20, 417,860.13 and 168,661.20 is: 232,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,797.20 : 417,860.13 = 168,661.20 : x
  2. Step 2: Convert to fraction form
    302,797.20/417,860.13 = 168,661.20/x
  3. Step 3: Cross multiply
    302,797.20x = 417,860.13 × 168,661.20
  4. Step 4: Simplify right side
    302,797.20x = 70,476,790,957.96
  5. Step 5: Solve for x
    x = 70,476,790,957.96/302,797.20
  6. Step 6: Final answer
    x = 232,752.45

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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.