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Finding the Fourth Proportional to 480,875.94, 720,845.19 and 200,473.38

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Solution

The fourth proportional to 480,875.94, 720,845.19 and 200,473.38 is: 300,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,875.94 : 720,845.19 = 200,473.38 : x
  2. Step 2: Convert to fraction form
    480,875.94/720,845.19 = 200,473.38/x
  3. Step 3: Cross multiply
    480,875.94x = 720,845.19 × 200,473.38
  4. Step 4: Simplify right side
    480,875.94x = 144,510,271,696.04
  5. Step 5: Solve for x
    x = 144,510,271,696.04/480,875.94
  6. Step 6: Final answer
    x = 300,514.66

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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.