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Finding the Fourth Proportional to 474,570.39, 654,805.72 and 281,038.92

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Solution

The fourth proportional to 474,570.39, 654,805.72 and 281,038.92 is: 387,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,570.39 : 654,805.72 = 281,038.92 : x
  2. Step 2: Convert to fraction form
    474,570.39/654,805.72 = 281,038.92/x
  3. Step 3: Cross multiply
    474,570.39x = 654,805.72 × 281,038.92
  4. Step 4: Simplify right side
    474,570.39x = 184,025,890,254.40
  5. Step 5: Solve for x
    x = 184,025,890,254.40/474,570.39
  6. Step 6: Final answer
    x = 387,773.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.