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Finding the Fourth Proportional to 506,588.04, 759,130.05 and 281,639.01

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Solution

The fourth proportional to 506,588.04, 759,130.05 and 281,639.01 is: 422,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,588.04 : 759,130.05 = 281,639.01 : x
  2. Step 2: Convert to fraction form
    506,588.04/759,130.05 = 281,639.01/x
  3. Step 3: Cross multiply
    506,588.04x = 759,130.05 × 281,639.01
  4. Step 4: Simplify right side
    506,588.04x = 213,800,635,743.25
  5. Step 5: Solve for x
    x = 213,800,635,743.25/506,588.04
  6. Step 6: Final answer
    x = 422,040.43

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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.