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Finding the Fourth Proportional to 328,526.55, 453,463.60 and 192,589.92

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Solution

The fourth proportional to 328,526.55, 453,463.60 and 192,589.92 is: 265,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,526.55 : 453,463.60 = 192,589.92 : x
  2. Step 2: Convert to fraction form
    328,526.55/453,463.60 = 192,589.92/x
  3. Step 3: Cross multiply
    328,526.55x = 453,463.60 × 192,589.92
  4. Step 4: Simplify right side
    328,526.55x = 87,332,518,571.11
  5. Step 5: Solve for x
    x = 87,332,518,571.11/328,526.55
  6. Step 6: Final answer
    x = 265,830.93

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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.