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Finding the Fourth Proportional to 447,598.57, 617,816.46 and 292,572.38

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Solution

The fourth proportional to 447,598.57, 617,816.46 and 292,572.38 is: 403,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,598.57 : 617,816.46 = 292,572.38 : x
  2. Step 2: Convert to fraction form
    447,598.57/617,816.46 = 292,572.38/x
  3. Step 3: Cross multiply
    447,598.57x = 617,816.46 × 292,572.38
  4. Step 4: Simplify right side
    447,598.57x = 180,756,032,105.38
  5. Step 5: Solve for x
    x = 180,756,032,105.38/447,598.57
  6. Step 6: Final answer
    x = 403,835.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.