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Finding the Fourth Proportional to 326,420.74, 450,504.61 and 183,188.64

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Solution

The fourth proportional to 326,420.74, 450,504.61 and 183,188.64 is: 252,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,420.74 : 450,504.61 = 183,188.64 : x
  2. Step 2: Convert to fraction form
    326,420.74/450,504.61 = 183,188.64/x
  3. Step 3: Cross multiply
    326,420.74x = 450,504.61 × 183,188.64
  4. Step 4: Simplify right side
    326,420.74x = 82,527,326,032.18
  5. Step 5: Solve for x
    x = 82,527,326,032.18/326,420.74
  6. Step 6: Final answer
    x = 252,825.01

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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.