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Finding the Fourth Proportional to 556,036.10, 767,261.13 and 394,832.33

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Solution

The fourth proportional to 556,036.10, 767,261.13 and 394,832.33 is: 544,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,036.10 : 767,261.13 = 394,832.33 : x
  2. Step 2: Convert to fraction form
    556,036.10/767,261.13 = 394,832.33/x
  3. Step 3: Cross multiply
    556,036.10x = 767,261.13 × 394,832.33
  4. Step 4: Simplify right side
    556,036.10x = 302,939,499,676.33
  5. Step 5: Solve for x
    x = 302,939,499,676.33/556,036.10
  6. Step 6: Final answer
    x = 544,819.84

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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.