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Finding the Fourth Proportional to 368,070.48, 507,934.20 and 206,926.24

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Solution

The fourth proportional to 368,070.48, 507,934.20 and 206,926.24 is: 285,556.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,070.48 : 507,934.20 = 206,926.24 : x
  2. Step 2: Convert to fraction form
    368,070.48/507,934.20 = 206,926.24/x
  3. Step 3: Cross multiply
    368,070.48x = 507,934.20 × 206,926.24
  4. Step 4: Simplify right side
    368,070.48x = 105,104,914,173.41
  5. Step 5: Solve for x
    x = 105,104,914,173.41/368,070.48
  6. Step 6: Final answer
    x = 285,556.49

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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.