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Finding the Fourth Proportional to 536,831.90, 804,556.65 and 411,551.90

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Solution

The fourth proportional to 536,831.90, 804,556.65 and 411,551.90 is: 616,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,831.90 : 804,556.65 = 411,551.90 : x
  2. Step 2: Convert to fraction form
    536,831.90/804,556.65 = 411,551.90/x
  3. Step 3: Cross multiply
    536,831.90x = 804,556.65 × 411,551.90
  4. Step 4: Simplify right side
    536,831.90x = 331,116,817,965.14
  5. Step 5: Solve for x
    x = 331,116,817,965.14/536,831.90
  6. Step 6: Final answer
    x = 616,797.95

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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.