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Finding the Fourth Proportional to 273,407.10, 410,110.65 and 240,930.15

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Solution

The fourth proportional to 273,407.10, 410,110.65 and 240,930.15 is: 361,395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,407.10 : 410,110.65 = 240,930.15 : x
  2. Step 2: Convert to fraction form
    273,407.10/410,110.65 = 240,930.15/x
  3. Step 3: Cross multiply
    273,407.10x = 410,110.65 × 240,930.15
  4. Step 4: Simplify right side
    273,407.10x = 98,808,020,421.10
  5. Step 5: Solve for x
    x = 98,808,020,421.10/273,407.10
  6. Step 6: Final answer
    x = 361,395.23

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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.