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Finding the Fourth Proportional to 595,622.40, 891,878.40 and 384,115.20

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Solution

The fourth proportional to 595,622.40, 891,878.40 and 384,115.20 is: 575,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,622.40 : 891,878.40 = 384,115.20 : x
  2. Step 2: Convert to fraction form
    595,622.40/891,878.40 = 384,115.20/x
  3. Step 3: Cross multiply
    595,622.40x = 891,878.40 × 384,115.20
  4. Step 4: Simplify right side
    595,622.40x = 342,584,049,991.68
  5. Step 5: Solve for x
    x = 342,584,049,991.68/595,622.40
  6. Step 6: Final answer
    x = 575,169.86

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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.