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Finding the Fourth Proportional to 354,030.30, 488,589.03 and 201,095.82

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Solution

The fourth proportional to 354,030.30, 488,589.03 and 201,095.82 is: 277,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,030.30 : 488,589.03 = 201,095.82 : x
  2. Step 2: Convert to fraction form
    354,030.30/488,589.03 = 201,095.82/x
  3. Step 3: Cross multiply
    354,030.30x = 488,589.03 × 201,095.82
  4. Step 4: Simplify right side
    354,030.30x = 98,253,211,630.85
  5. Step 5: Solve for x
    x = 98,253,211,630.85/354,030.30
  6. Step 6: Final answer
    x = 277,527.69

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1.5x scale

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.