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Finding the Fourth Proportional to 324,386.98, 486,580.50 and 96,686.12

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Solution

The fourth proportional to 324,386.98, 486,580.50 and 96,686.12 is: 145,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,386.98 : 486,580.50 = 96,686.12 : x
  2. Step 2: Convert to fraction form
    324,386.98/486,580.50 = 96,686.12/x
  3. Step 3: Cross multiply
    324,386.98x = 486,580.50 × 96,686.12
  4. Step 4: Simplify right side
    324,386.98x = 47,045,581,829.11
  5. Step 5: Solve for x
    x = 47,045,581,829.11/324,386.98
  6. Step 6: Final answer
    x = 145,029.19

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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.