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Finding the Fourth Proportional to 328,572.81, 453,344.31 and 192,533.72

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Solution

The fourth proportional to 328,572.81, 453,344.31 and 192,533.72 is: 265,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,572.81 : 453,344.31 = 192,533.72 : x
  2. Step 2: Convert to fraction form
    328,572.81/453,344.31 = 192,533.72/x
  3. Step 3: Cross multiply
    328,572.81x = 453,344.31 × 192,533.72
  4. Step 4: Simplify right side
    328,572.81x = 87,284,064,178.41
  5. Step 5: Solve for x
    x = 87,284,064,178.41/328,572.81
  6. Step 6: Final answer
    x = 265,646.03

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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.