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Finding the Fourth Proportional to 328,524.34, 453,363.59 and 177,621.34

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Solution

The fourth proportional to 328,524.34, 453,363.59 and 177,621.34 is: 245,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,524.34 : 453,363.59 = 177,621.34 : x
  2. Step 2: Convert to fraction form
    328,524.34/453,363.59 = 177,621.34/x
  3. Step 3: Cross multiply
    328,524.34x = 453,363.59 × 177,621.34
  4. Step 4: Simplify right side
    328,524.34x = 80,527,047,474.90
  5. Step 5: Solve for x
    x = 80,527,047,474.90/328,524.34
  6. Step 6: Final answer
    x = 245,117.45

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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.