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Finding the Fourth Proportional to 500,687.10, 751,030.65 and 366,842.70

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Solution

The fourth proportional to 500,687.10, 751,030.65 and 366,842.70 is: 550,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,687.10 : 751,030.65 = 366,842.70 : x
  2. Step 2: Convert to fraction form
    500,687.10/751,030.65 = 366,842.70/x
  3. Step 3: Cross multiply
    500,687.10x = 751,030.65 × 366,842.70
  4. Step 4: Simplify right side
    500,687.10x = 275,510,111,428.76
  5. Step 5: Solve for x
    x = 275,510,111,428.76/500,687.10
  6. Step 6: Final answer
    x = 550,264.05

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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.