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Finding the Fourth Proportional to 907,057.59, 1,360,783.22 and 275,955

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Solution

The fourth proportional to 907,057.59, 1,360,783.22 and 275,955 is: 413,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,057.59 : 1,360,783.22 = 275,955 : x
  2. Step 2: Convert to fraction form
    907,057.59/1,360,783.22 = 275,955/x
  3. Step 3: Cross multiply
    907,057.59x = 1,360,783.22 × 275,955
  4. Step 4: Simplify right side
    907,057.59x = 375,514,932,095.33
  5. Step 5: Solve for x
    x = 375,514,932,095.33/907,057.59
  6. Step 6: Final answer
    x = 413,992.38

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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.