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Finding the Fourth Proportional to 325,277.75, 448,873.65 and 180,090

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Solution

The fourth proportional to 325,277.75, 448,873.65 and 180,090 is: 248,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,277.75 : 448,873.65 = 180,090 : x
  2. Step 2: Convert to fraction form
    325,277.75/448,873.65 = 180,090/x
  3. Step 3: Cross multiply
    325,277.75x = 448,873.65 × 180,090
  4. Step 4: Simplify right side
    325,277.75x = 80,837,655,628.50
  5. Step 5: Solve for x
    x = 80,837,655,628.50/325,277.75
  6. Step 6: Final answer
    x = 248,518.86

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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.