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Finding the Fourth Proportional to 328,800.12, 453,744.18 and 177,897.12

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Solution

The fourth proportional to 328,800.12, 453,744.18 and 177,897.12 is: 245,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,800.12 : 453,744.18 = 177,897.12 : x
  2. Step 2: Convert to fraction form
    328,800.12/453,744.18 = 177,897.12/x
  3. Step 3: Cross multiply
    328,800.12x = 453,744.18 × 177,897.12
  4. Step 4: Simplify right side
    328,800.12x = 80,719,782,838.76
  5. Step 5: Solve for x
    x = 80,719,782,838.76/328,800.12
  6. Step 6: Final answer
    x = 245,498.03

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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.