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Finding the Fourth Proportional to 536,841.90, 804,571.65 and 411,561.90

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Solution

The fourth proportional to 536,841.90, 804,571.65 and 411,561.90 is: 616,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,841.90 : 804,571.65 = 411,561.90 : x
  2. Step 2: Convert to fraction form
    536,841.90/804,571.65 = 411,561.90/x
  3. Step 3: Cross multiply
    536,841.90x = 804,571.65 × 411,561.90
  4. Step 4: Simplify right side
    536,841.90x = 331,131,036,960.14
  5. Step 5: Solve for x
    x = 331,131,036,960.14/536,841.90
  6. Step 6: Final answer
    x = 616,812.95

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1.5x scale

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.