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Finding the Fourth Proportional to 328,158.50, 452,858.91 and 177,255.50

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Solution

The fourth proportional to 328,158.50, 452,858.91 and 177,255.50 is: 244,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,158.50 : 452,858.91 = 177,255.50 : x
  2. Step 2: Convert to fraction form
    328,158.50/452,858.91 = 177,255.50/x
  3. Step 3: Cross multiply
    328,158.50x = 452,858.91 × 177,255.50
  4. Step 4: Simplify right side
    328,158.50x = 80,271,732,521.51
  5. Step 5: Solve for x
    x = 80,271,732,521.51/328,158.50
  6. Step 6: Final answer
    x = 244,612.69

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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.