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Finding the Fourth Proportional to 480,877.88, 721,382.44 and 200,329.52

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Solution

The fourth proportional to 480,877.88, 721,382.44 and 200,329.52 is: 300,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,877.88 : 721,382.44 = 200,329.52 : x
  2. Step 2: Convert to fraction form
    480,877.88/721,382.44 = 200,329.52/x
  3. Step 3: Cross multiply
    480,877.88x = 721,382.44 × 200,329.52
  4. Step 4: Simplify right side
    480,877.88x = 144,514,197,941.63
  5. Step 5: Solve for x
    x = 144,514,197,941.63/480,877.88
  6. Step 6: Final answer
    x = 300,521.62

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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.