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Finding the Fourth Proportional to 331,595.10, 497,392.65 and 302,564.70

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Solution

The fourth proportional to 331,595.10, 497,392.65 and 302,564.70 is: 453,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,595.10 : 497,392.65 = 302,564.70 : x
  2. Step 2: Convert to fraction form
    331,595.10/497,392.65 = 302,564.70/x
  3. Step 3: Cross multiply
    331,595.10x = 497,392.65 × 302,564.70
  4. Step 4: Simplify right side
    331,595.10x = 150,493,457,929.46
  5. Step 5: Solve for x
    x = 150,493,457,929.46/331,595.10
  6. Step 6: Final answer
    x = 453,847.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.