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Finding the Fourth Proportional to 304,108.27, 455,880.15 and 144,259.19

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Solution

The fourth proportional to 304,108.27, 455,880.15 and 144,259.19 is: 216,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,108.27 : 455,880.15 = 144,259.19 : x
  2. Step 2: Convert to fraction form
    304,108.27/455,880.15 = 144,259.19/x
  3. Step 3: Cross multiply
    304,108.27x = 455,880.15 × 144,259.19
  4. Step 4: Simplify right side
    304,108.27x = 65,764,901,247.31
  5. Step 5: Solve for x
    x = 65,764,901,247.31/304,108.27
  6. Step 6: Final answer
    x = 216,254.89

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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.