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Finding the Fourth Proportional to 536,810.90, 804,525.15 and 411,530.90

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Solution

The fourth proportional to 536,810.90, 804,525.15 and 411,530.90 is: 616,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,810.90 : 804,525.15 = 411,530.90 : x
  2. Step 2: Convert to fraction form
    536,810.90/804,525.15 = 411,530.90/x
  3. Step 3: Cross multiply
    536,810.90x = 804,525.15 × 411,530.90
  4. Step 4: Simplify right side
    536,810.90x = 331,086,959,052.14
  5. Step 5: Solve for x
    x = 331,086,959,052.14/536,810.90
  6. Step 6: Final answer
    x = 616,766.46

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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.