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Finding the Fourth Proportional to 404,124.78, 557,460.75 and 252,959.34

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Solution

The fourth proportional to 404,124.78, 557,460.75 and 252,959.34 is: 348,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,124.78 : 557,460.75 = 252,959.34 : x
  2. Step 2: Convert to fraction form
    404,124.78/557,460.75 = 252,959.34/x
  3. Step 3: Cross multiply
    404,124.78x = 557,460.75 × 252,959.34
  4. Step 4: Simplify right side
    404,124.78x = 141,014,903,395.91
  5. Step 5: Solve for x
    x = 141,014,903,395.91/404,124.78
  6. Step 6: Final answer
    x = 348,939.02

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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.