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Finding the Fourth Proportional to 443,221.08, 611,644.14 and 242,017.08

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Solution

The fourth proportional to 443,221.08, 611,644.14 and 242,017.08 is: 333,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,221.08 : 611,644.14 = 242,017.08 : x
  2. Step 2: Convert to fraction form
    443,221.08/611,644.14 = 242,017.08/x
  3. Step 3: Cross multiply
    443,221.08x = 611,644.14 × 242,017.08
  4. Step 4: Simplify right side
    443,221.08x = 148,028,328,761.91
  5. Step 5: Solve for x
    x = 148,028,328,761.91/443,221.08
  6. Step 6: Final answer
    x = 333,983.05

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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.