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Finding the Fourth Proportional to 522,491.67, 721,029.10 and 293,049.40

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Solution

The fourth proportional to 522,491.67, 721,029.10 and 293,049.40 is: 404,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,491.67 : 721,029.10 = 293,049.40 : x
  2. Step 2: Convert to fraction form
    522,491.67/721,029.10 = 293,049.40/x
  3. Step 3: Cross multiply
    522,491.67x = 721,029.10 × 293,049.40
  4. Step 4: Simplify right side
    522,491.67x = 211,297,142,602.34
  5. Step 5: Solve for x
    x = 211,297,142,602.34/522,491.67
  6. Step 6: Final answer
    x = 404,402.89

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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.