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Finding the Fourth Proportional to 328,870.13, 453,840.77 and 177,967.13

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Solution

The fourth proportional to 328,870.13, 453,840.77 and 177,967.13 is: 245,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,870.13 : 453,840.77 = 177,967.13 : x
  2. Step 2: Convert to fraction form
    328,870.13/453,840.77 = 177,967.13/x
  3. Step 3: Cross multiply
    328,870.13x = 453,840.77 × 177,967.13
  4. Step 4: Simplify right side
    328,870.13x = 80,768,737,489.60
  5. Step 5: Solve for x
    x = 80,768,737,489.60/328,870.13
  6. Step 6: Final answer
    x = 245,594.63

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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.