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Finding the Fourth Proportional to 536,563.70, 804,845.55 and 162,538.10

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Solution

The fourth proportional to 536,563.70, 804,845.55 and 162,538.10 is: 243,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,563.70 : 804,845.55 = 162,538.10 : x
  2. Step 2: Convert to fraction form
    536,563.70/804,845.55 = 162,538.10/x
  3. Step 3: Cross multiply
    536,563.70x = 804,845.55 × 162,538.10
  4. Step 4: Simplify right side
    536,563.70x = 130,818,066,490.46
  5. Step 5: Solve for x
    x = 130,818,066,490.46/536,563.70
  6. Step 6: Final answer
    x = 243,807.15

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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.