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Finding the Fourth Proportional to 289,774.22, 400,082.58 and 181,044.08

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Solution

The fourth proportional to 289,774.22, 400,082.58 and 181,044.08 is: 249,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,774.22 : 400,082.58 = 181,044.08 : x
  2. Step 2: Convert to fraction form
    289,774.22/400,082.58 = 181,044.08/x
  3. Step 3: Cross multiply
    289,774.22x = 400,082.58 × 181,044.08
  4. Step 4: Simplify right side
    289,774.22x = 72,432,579,714.49
  5. Step 5: Solve for x
    x = 72,432,579,714.49/289,774.22
  6. Step 6: Final answer
    x = 249,962.12

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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.