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Finding the Fourth Proportional to 326,720.79, 450,852.48 and 183,494.16

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Solution

The fourth proportional to 326,720.79, 450,852.48 and 183,494.16 is: 253,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,720.79 : 450,852.48 = 183,494.16 : x
  2. Step 2: Convert to fraction form
    326,720.79/450,852.48 = 183,494.16/x
  3. Step 3: Cross multiply
    326,720.79x = 450,852.48 × 183,494.16
  4. Step 4: Simplify right side
    326,720.79x = 82,728,797,101.52
  5. Step 5: Solve for x
    x = 82,728,797,101.52/326,720.79
  6. Step 6: Final answer
    x = 253,209.47

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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.