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Finding the Fourth Proportional to 301,661.19, 451,802.88 and 144,000.36

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Solution

The fourth proportional to 301,661.19, 451,802.88 and 144,000.36 is: 215,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,661.19 : 451,802.88 = 144,000.36 : x
  2. Step 2: Convert to fraction form
    301,661.19/451,802.88 = 144,000.36/x
  3. Step 3: Cross multiply
    301,661.19x = 451,802.88 × 144,000.36
  4. Step 4: Simplify right side
    301,661.19x = 65,059,777,369.04
  5. Step 5: Solve for x
    x = 65,059,777,369.04/301,661.19
  6. Step 6: Final answer
    x = 215,671.69

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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.