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Finding the Fourth Proportional to 803,652.86, 1,108,960.16 and 481,354.68

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Solution

The fourth proportional to 803,652.86, 1,108,960.16 and 481,354.68 is: 664,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,652.86 : 1,108,960.16 = 481,354.68 : x
  2. Step 2: Convert to fraction form
    803,652.86/1,108,960.16 = 481,354.68/x
  3. Step 3: Cross multiply
    803,652.86x = 1,108,960.16 × 481,354.68
  4. Step 4: Simplify right side
    803,652.86x = 533,803,162,949.55
  5. Step 5: Solve for x
    x = 533,803,162,949.55/803,652.86
  6. Step 6: Final answer
    x = 664,221.07

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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.