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Finding the Fourth Proportional to 550,030.66, 825,046.65 and 150,674.86

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Solution

The fourth proportional to 550,030.66, 825,046.65 and 150,674.86 is: 226,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,030.66 : 825,046.65 = 150,674.86 : x
  2. Step 2: Convert to fraction form
    550,030.66/825,046.65 = 150,674.86/x
  3. Step 3: Cross multiply
    550,030.66x = 825,046.65 × 150,674.86
  4. Step 4: Simplify right side
    550,030.66x = 124,313,788,482.22
  5. Step 5: Solve for x
    x = 124,313,788,482.22/550,030.66
  6. Step 6: Final answer
    x = 226,012.47

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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.