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Finding the Fourth Proportional to 328,666.50, 453,559.82 and 177,763.50

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Solution

The fourth proportional to 328,666.50, 453,559.82 and 177,763.50 is: 245,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,666.50 : 453,559.82 = 177,763.50 : x
  2. Step 2: Convert to fraction form
    328,666.50/453,559.82 = 177,763.50/x
  3. Step 3: Cross multiply
    328,666.50x = 453,559.82 × 177,763.50
  4. Step 4: Simplify right side
    328,666.50x = 80,626,380,173.75
  5. Step 5: Solve for x
    x = 80,626,380,173.75/328,666.50
  6. Step 6: Final answer
    x = 245,313.65

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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.