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Finding the Fourth Proportional to 328,306.06, 453,061.65 and 177,403.06

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Solution

The fourth proportional to 328,306.06, 453,061.65 and 177,403.06 is: 244,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,306.06 : 453,061.65 = 177,403.06 : x
  2. Step 2: Convert to fraction form
    328,306.06/453,061.65 = 177,403.06/x
  3. Step 3: Cross multiply
    328,306.06x = 453,061.65 × 177,403.06
  4. Step 4: Simplify right side
    328,306.06x = 80,374,523,078.65
  5. Step 5: Solve for x
    x = 80,374,523,078.65/328,306.06
  6. Step 6: Final answer
    x = 244,815.84

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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.