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Finding the Fourth Proportional to 550,581.68, 825,314.76 and 373,106.64

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Solution

The fourth proportional to 550,581.68, 825,314.76 and 373,106.64 is: 559,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,581.68 : 825,314.76 = 373,106.64 : x
  2. Step 2: Convert to fraction form
    550,581.68/825,314.76 = 373,106.64/x
  3. Step 3: Cross multiply
    550,581.68x = 825,314.76 × 373,106.64
  4. Step 4: Simplify right side
    550,581.68x = 307,930,417,046.01
  5. Step 5: Solve for x
    x = 307,930,417,046.01/550,581.68
  6. Step 6: Final answer
    x = 559,281.99

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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.