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Finding the Fourth Proportional to 477,400.02, 658,803.42 and 262,540.68

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Solution

The fourth proportional to 477,400.02, 658,803.42 and 262,540.68 is: 362,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,400.02 : 658,803.42 = 262,540.68 : x
  2. Step 2: Convert to fraction form
    477,400.02/658,803.42 = 262,540.68/x
  3. Step 3: Cross multiply
    477,400.02x = 658,803.42 × 262,540.68
  4. Step 4: Simplify right side
    477,400.02x = 172,962,697,873.13
  5. Step 5: Solve for x
    x = 172,962,697,873.13/477,400.02
  6. Step 6: Final answer
    x = 362,301.40

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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.