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Finding the Fourth Proportional to 328,282.98, 453,403.98 and 220,666.11

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Solution

The fourth proportional to 328,282.98, 453,403.98 and 220,666.11 is: 304,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,282.98 : 453,403.98 = 220,666.11 : x
  2. Step 2: Convert to fraction form
    328,282.98/453,403.98 = 220,666.11/x
  3. Step 3: Cross multiply
    328,282.98x = 453,403.98 × 220,666.11
  4. Step 4: Simplify right side
    328,282.98x = 100,050,892,525.12
  5. Step 5: Solve for x
    x = 100,050,892,525.12/328,282.98
  6. Step 6: Final answer
    x = 304,770.27

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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.