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Finding the Fourth Proportional to 569,073.24, 784,408.86 and 385,253.88

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Solution

The fourth proportional to 569,073.24, 784,408.86 and 385,253.88 is: 531,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,073.24 : 784,408.86 = 385,253.88 : x
  2. Step 2: Convert to fraction form
    569,073.24/784,408.86 = 385,253.88/x
  3. Step 3: Cross multiply
    569,073.24x = 784,408.86 × 385,253.88
  4. Step 4: Simplify right side
    569,073.24x = 302,196,556,821.38
  5. Step 5: Solve for x
    x = 302,196,556,821.38/569,073.24
  6. Step 6: Final answer
    x = 531,032.80

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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.