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Finding the Fourth Proportional to 208,333.61, 312,518.87 and 58,575.21

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Solution

The fourth proportional to 208,333.61, 312,518.87 and 58,575.21 is: 87,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,333.61 : 312,518.87 = 58,575.21 : x
  2. Step 2: Convert to fraction form
    208,333.61/312,518.87 = 58,575.21/x
  3. Step 3: Cross multiply
    208,333.61x = 312,518.87 × 58,575.21
  4. Step 4: Simplify right side
    208,333.61x = 18,305,858,439.21
  5. Step 5: Solve for x
    x = 18,305,858,439.21/208,333.61
  6. Step 6: Final answer
    x = 87,868.00

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1.5x scale

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.