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Finding the Fourth Proportional to 522,000.01, 783,004.64 and 206,456.95

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Solution

The fourth proportional to 522,000.01, 783,004.64 and 206,456.95 is: 309,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,000.01 : 783,004.64 = 206,456.95 : x
  2. Step 2: Convert to fraction form
    522,000.01/783,004.64 = 206,456.95/x
  3. Step 3: Cross multiply
    522,000.01x = 783,004.64 × 206,456.95
  4. Step 4: Simplify right side
    522,000.01x = 161,656,749,810.25
  5. Step 5: Solve for x
    x = 161,656,749,810.25/522,000.01
  6. Step 6: Final answer
    x = 309,687.25

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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.