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Finding the Fourth Proportional to 436,103.90, 654,409.66 and 183,366.08

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Solution

The fourth proportional to 436,103.90, 654,409.66 and 183,366.08 is: 275,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,103.90 : 654,409.66 = 183,366.08 : x
  2. Step 2: Convert to fraction form
    436,103.90/654,409.66 = 183,366.08/x
  3. Step 3: Cross multiply
    436,103.90x = 654,409.66 × 183,366.08
  4. Step 4: Simplify right side
    436,103.90x = 119,996,534,068.33
  5. Step 5: Solve for x
    x = 119,996,534,068.33/436,103.90
  6. Step 6: Final answer
    x = 275,155.84

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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.