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Finding the Fourth Proportional to 326,659.55, 450,802.97 and 223,510.11

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Solution

The fourth proportional to 326,659.55, 450,802.97 and 223,510.11 is: 308,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,659.55 : 450,802.97 = 223,510.11 : x
  2. Step 2: Convert to fraction form
    326,659.55/450,802.97 = 223,510.11/x
  3. Step 3: Cross multiply
    326,659.55x = 450,802.97 × 223,510.11
  4. Step 4: Simplify right side
    326,659.55x = 100,759,020,711.01
  5. Step 5: Solve for x
    x = 100,759,020,711.01/326,659.55
  6. Step 6: Final answer
    x = 308,452.71

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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.