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Finding the Fourth Proportional to 328,573.81, 453,345.69 and 192,534.72

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Solution

The fourth proportional to 328,573.81, 453,345.69 and 192,534.72 is: 265,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,573.81 : 453,345.69 = 192,534.72 : x
  2. Step 2: Convert to fraction form
    328,573.81/453,345.69 = 192,534.72/x
  3. Step 3: Cross multiply
    328,573.81x = 453,345.69 × 192,534.72
  4. Step 4: Simplify right side
    328,573.81x = 87,284,785,487.36
  5. Step 5: Solve for x
    x = 87,284,785,487.36/328,573.81
  6. Step 6: Final answer
    x = 265,647.42

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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.