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Finding the Fourth Proportional to 413,959.01, 621,177.71 and 174,053.76

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Solution

The fourth proportional to 413,959.01, 621,177.71 and 174,053.76 is: 261,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,959.01 : 621,177.71 = 174,053.76 : x
  2. Step 2: Convert to fraction form
    413,959.01/621,177.71 = 174,053.76/x
  3. Step 3: Cross multiply
    413,959.01x = 621,177.71 × 174,053.76
  4. Step 4: Simplify right side
    413,959.01x = 108,118,317,327.18
  5. Step 5: Solve for x
    x = 108,118,317,327.18/413,959.01
  6. Step 6: Final answer
    x = 261,181.22

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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.