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Finding the Fourth Proportional to 506,589.04, 759,131.55 and 281,640.01

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Solution

The fourth proportional to 506,589.04, 759,131.55 and 281,640.01 is: 422,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,589.04 : 759,131.55 = 281,640.01 : x
  2. Step 2: Convert to fraction form
    506,589.04/759,131.55 = 281,640.01/x
  3. Step 3: Cross multiply
    506,589.04x = 759,131.55 × 281,640.01
  4. Step 4: Simplify right side
    506,589.04x = 213,801,817,333.32
  5. Step 5: Solve for x
    x = 213,801,817,333.32/506,589.04
  6. Step 6: Final answer
    x = 422,041.93

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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.