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Finding the Fourth Proportional to 302,891.60, 454,272.60 and 134,411.60

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Solution

The fourth proportional to 302,891.60, 454,272.60 and 134,411.60 is: 201,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,891.60 : 454,272.60 = 134,411.60 : x
  2. Step 2: Convert to fraction form
    302,891.60/454,272.60 = 134,411.60/x
  3. Step 3: Cross multiply
    302,891.60x = 454,272.60 × 134,411.60
  4. Step 4: Simplify right side
    302,891.60x = 61,059,507,002.16
  5. Step 5: Solve for x
    x = 61,059,507,002.16/302,891.60
  6. Step 6: Final answer
    x = 201,588.64

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1.5x scale

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.