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Finding the Fourth Proportional to 442,603.20, 662,929.44 and 365,830.08

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Solution

The fourth proportional to 442,603.20, 662,929.44 and 365,830.08 is: 547,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,603.20 : 662,929.44 = 365,830.08 : x
  2. Step 2: Convert to fraction form
    442,603.20/662,929.44 = 365,830.08/x
  3. Step 3: Cross multiply
    442,603.20x = 662,929.44 × 365,830.08
  4. Step 4: Simplify right side
    442,603.20x = 242,519,530,069.56
  5. Step 5: Solve for x
    x = 242,519,530,069.56/442,603.20
  6. Step 6: Final answer
    x = 547,938.94

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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.