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Finding the Fourth Proportional to 522,525.55, 783,593.93 and 206,917.15

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Solution

The fourth proportional to 522,525.55, 783,593.93 and 206,917.15 is: 310,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,525.55 : 783,593.93 = 206,917.15 : x
  2. Step 2: Convert to fraction form
    522,525.55/783,593.93 = 206,917.15/x
  3. Step 3: Cross multiply
    522,525.55x = 783,593.93 × 206,917.15
  4. Step 4: Simplify right side
    522,525.55x = 162,139,021,718.31
  5. Step 5: Solve for x
    x = 162,139,021,718.31/522,525.55
  6. Step 6: Final answer
    x = 310,298.74

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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.