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Finding the Fourth Proportional to 328,955.00, 453,984.28 and 261,528.42

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Solution

The fourth proportional to 328,955.00, 453,984.28 and 261,528.42 is: 360,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,955.00 : 453,984.28 = 261,528.42 : x
  2. Step 2: Convert to fraction form
    328,955.00/453,984.28 = 261,528.42/x
  3. Step 3: Cross multiply
    328,955.00x = 453,984.28 × 261,528.42
  4. Step 4: Simplify right side
    328,955.00x = 118,729,790,799.42
  5. Step 5: Solve for x
    x = 118,729,790,799.42/328,955.00
  6. Step 6: Final answer
    x = 360,930.19

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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.