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Finding the Fourth Proportional to 411,974.49, 617,234.95 and 360,802.53

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Solution

The fourth proportional to 411,974.49, 617,234.95 and 360,802.53 is: 540,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,974.49 : 617,234.95 = 360,802.53 : x
  2. Step 2: Convert to fraction form
    411,974.49/617,234.95 = 360,802.53/x
  3. Step 3: Cross multiply
    411,974.49x = 617,234.95 × 360,802.53
  4. Step 4: Simplify right side
    411,974.49x = 222,699,931,564.42
  5. Step 5: Solve for x
    x = 222,699,931,564.42/411,974.49
  6. Step 6: Final answer
    x = 540,567.29

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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.