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Finding the Fourth Proportional to 302,682.40, 454,282.80 and 134,461.60

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Solution

The fourth proportional to 302,682.40, 454,282.80 and 134,461.60 is: 201,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,682.40 : 454,282.80 = 134,461.60 : x
  2. Step 2: Convert to fraction form
    302,682.40/454,282.80 = 134,461.60/x
  3. Step 3: Cross multiply
    302,682.40x = 454,282.80 × 134,461.60
  4. Step 4: Simplify right side
    302,682.40x = 61,083,592,140.48
  5. Step 5: Solve for x
    x = 61,083,592,140.48/302,682.40
  6. Step 6: Final answer
    x = 201,807.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.