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Finding the Fourth Proportional to 524,661.60, 786,992.40 and 465,612.60

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Solution

The fourth proportional to 524,661.60, 786,992.40 and 465,612.60 is: 698,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,661.60 : 786,992.40 = 465,612.60 : x
  2. Step 2: Convert to fraction form
    524,661.60/786,992.40 = 465,612.60/x
  3. Step 3: Cross multiply
    524,661.60x = 786,992.40 × 465,612.60
  4. Step 4: Simplify right side
    524,661.60x = 366,433,577,544.24
  5. Step 5: Solve for x
    x = 366,433,577,544.24/524,661.60
  6. Step 6: Final answer
    x = 698,418.90

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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.