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Finding the Fourth Proportional to 325,005.80, 448,530.72 and 181,779.08

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Solution

The fourth proportional to 325,005.80, 448,530.72 and 181,779.08 is: 250,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,005.80 : 448,530.72 = 181,779.08 : x
  2. Step 2: Convert to fraction form
    325,005.80/448,530.72 = 181,779.08/x
  3. Step 3: Cross multiply
    325,005.80x = 448,530.72 × 181,779.08
  4. Step 4: Simplify right side
    325,005.80x = 81,533,501,633.34
  5. Step 5: Solve for x
    x = 81,533,501,633.34/325,005.80
  6. Step 6: Final answer
    x = 250,867.84

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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.