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Finding the Fourth Proportional to 480,249.72, 662,746.68 and 262,462.86

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Solution

The fourth proportional to 480,249.72, 662,746.68 and 262,462.86 is: 362,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,249.72 : 662,746.68 = 262,462.86 : x
  2. Step 2: Convert to fraction form
    480,249.72/662,746.68 = 262,462.86/x
  3. Step 3: Cross multiply
    480,249.72x = 662,746.68 × 262,462.86
  4. Step 4: Simplify right side
    480,249.72x = 173,946,389,088.31
  5. Step 5: Solve for x
    x = 173,946,389,088.31/480,249.72
  6. Step 6: Final answer
    x = 362,199.88

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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.