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Finding the Fourth Proportional to 324,681.23, 448,051.74 and 181,442.45

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Solution

The fourth proportional to 324,681.23, 448,051.74 and 181,442.45 is: 250,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,681.23 : 448,051.74 = 181,442.45 : x
  2. Step 2: Convert to fraction form
    324,681.23/448,051.74 = 181,442.45/x
  3. Step 3: Cross multiply
    324,681.23x = 448,051.74 × 181,442.45
  4. Step 4: Simplify right side
    324,681.23x = 81,295,605,432.36
  5. Step 5: Solve for x
    x = 81,295,605,432.36/324,681.23
  6. Step 6: Final answer
    x = 250,385.91

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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.