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Finding the Fourth Proportional to 619,689.96, 927,189.18 and 367,106.04

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Solution

The fourth proportional to 619,689.96, 927,189.18 and 367,106.04 is: 549,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,689.96 : 927,189.18 = 367,106.04 : x
  2. Step 2: Convert to fraction form
    619,689.96/927,189.18 = 367,106.04/x
  3. Step 3: Cross multiply
    619,689.96x = 927,189.18 × 367,106.04
  4. Step 4: Simplify right side
    619,689.96x = 340,376,748,200.65
  5. Step 5: Solve for x
    x = 340,376,748,200.65/619,689.96
  6. Step 6: Final answer
    x = 549,269.43

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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.