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Finding the Fourth Proportional to 328,925.88, 453,928.71 and 201,576.87

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Solution

The fourth proportional to 328,925.88, 453,928.71 and 201,576.87 is: 278,182.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,925.88 : 453,928.71 = 201,576.87 : x
  2. Step 2: Convert to fraction form
    328,925.88/453,928.71 = 201,576.87/x
  3. Step 3: Cross multiply
    328,925.88x = 453,928.71 × 201,576.87
  4. Step 4: Simplify right side
    328,925.88x = 91,501,528,564.94
  5. Step 5: Solve for x
    x = 91,501,528,564.94/328,925.88
  6. Step 6: Final answer
    x = 278,182.82

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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.