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Finding the Fourth Proportional to 328,218.76, 452,768.30 and 226,068.54

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Solution

The fourth proportional to 328,218.76, 452,768.30 and 226,068.54 is: 311,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,218.76 : 452,768.30 = 226,068.54 : x
  2. Step 2: Convert to fraction form
    328,218.76/452,768.30 = 226,068.54/x
  3. Step 3: Cross multiply
    328,218.76x = 452,768.30 × 226,068.54
  4. Step 4: Simplify right side
    328,218.76x = 102,356,668,539.28
  5. Step 5: Solve for x
    x = 102,356,668,539.28/328,218.76
  6. Step 6: Final answer
    x = 311,855.02

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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.