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Finding the Fourth Proportional to 368,069.48, 507,932.82 and 206,925.24

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Solution

The fourth proportional to 368,069.48, 507,932.82 and 206,925.24 is: 285,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,069.48 : 507,932.82 = 206,925.24 : x
  2. Step 2: Convert to fraction form
    368,069.48/507,932.82 = 206,925.24/x
  3. Step 3: Cross multiply
    368,069.48x = 507,932.82 × 206,925.24
  4. Step 4: Simplify right side
    368,069.48x = 105,104,120,682.38
  5. Step 5: Solve for x
    x = 105,104,120,682.38/368,069.48
  6. Step 6: Final answer
    x = 285,555.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.