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Finding the Fourth Proportional to 672,449.10, 927,973.82 and 366,525.46

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Solution

The fourth proportional to 672,449.10, 927,973.82 and 366,525.46 is: 505,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,449.10 : 927,973.82 = 366,525.46 : x
  2. Step 2: Convert to fraction form
    672,449.10/927,973.82 = 366,525.46/x
  3. Step 3: Cross multiply
    672,449.10x = 927,973.82 × 366,525.46
  4. Step 4: Simplify right side
    672,449.10x = 340,126,031,243.46
  5. Step 5: Solve for x
    x = 340,126,031,243.46/672,449.10
  6. Step 6: Final answer
    x = 505,801.90

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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.