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Finding the Fourth Proportional to 304,114.26, 455,889.12 and 144,265.20

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Solution

The fourth proportional to 304,114.26, 455,889.12 and 144,265.20 is: 216,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,114.26 : 455,889.12 = 144,265.20 : x
  2. Step 2: Convert to fraction form
    304,114.26/455,889.12 = 144,265.20/x
  3. Step 3: Cross multiply
    304,114.26x = 455,889.12 × 144,265.20
  4. Step 4: Simplify right side
    304,114.26x = 65,768,935,074.62
  5. Step 5: Solve for x
    x = 65,768,935,074.62/304,114.26
  6. Step 6: Final answer
    x = 216,263.90

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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.