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Finding the Fourth Proportional to 328,806.39, 453,752.79 and 177,903.39

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Solution

The fourth proportional to 328,806.39, 453,752.79 and 177,903.39 is: 245,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,806.39 : 453,752.79 = 177,903.39 : x
  2. Step 2: Convert to fraction form
    328,806.39/453,752.79 = 177,903.39/x
  3. Step 3: Cross multiply
    328,806.39x = 453,752.79 × 177,903.39
  4. Step 4: Simplify right side
    328,806.39x = 80,724,159,562.96
  5. Step 5: Solve for x
    x = 80,724,159,562.96/328,806.39
  6. Step 6: Final answer
    x = 245,506.66

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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.