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Finding the Fourth Proportional to 366,998.04, 506,514.06 and 205,918.20

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Solution

The fourth proportional to 366,998.04, 506,514.06 and 205,918.20 is: 284,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,998.04 : 506,514.06 = 205,918.20 : x
  2. Step 2: Convert to fraction form
    366,998.04/506,514.06 = 205,918.20/x
  3. Step 3: Cross multiply
    366,998.04x = 506,514.06 × 205,918.20
  4. Step 4: Simplify right side
    366,998.04x = 104,300,463,509.89
  5. Step 5: Solve for x
    x = 104,300,463,509.89/366,998.04
  6. Step 6: Final answer
    x = 284,198.97

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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.