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Finding the Fourth Proportional to 536,628.30, 804,942.45 and 528,755.10

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Solution

The fourth proportional to 536,628.30, 804,942.45 and 528,755.10 is: 793,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,628.30 : 804,942.45 = 528,755.10 : x
  2. Step 2: Convert to fraction form
    536,628.30/804,942.45 = 528,755.10/x
  3. Step 3: Cross multiply
    536,628.30x = 804,942.45 × 528,755.10
  4. Step 4: Simplify right side
    536,628.30x = 425,617,425,644.00
  5. Step 5: Solve for x
    x = 425,617,425,644.00/536,628.30
  6. Step 6: Final answer
    x = 793,132.65

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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.