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Finding the Fourth Proportional to 404,632.80, 606,803.40 and 204,886.80

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Solution

The fourth proportional to 404,632.80, 606,803.40 and 204,886.80 is: 307,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,632.80 : 606,803.40 = 204,886.80 : x
  2. Step 2: Convert to fraction form
    404,632.80/606,803.40 = 204,886.80/x
  3. Step 3: Cross multiply
    404,632.80x = 606,803.40 × 204,886.80
  4. Step 4: Simplify right side
    404,632.80x = 124,326,006,855.12
  5. Step 5: Solve for x
    x = 124,326,006,855.12/404,632.80
  6. Step 6: Final answer
    x = 307,256.37

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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.