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Finding the Fourth Proportional to 634,909.70, 952,364.55 and 610,415.30

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Solution

The fourth proportional to 634,909.70, 952,364.55 and 610,415.30 is: 915,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,909.70 : 952,364.55 = 610,415.30 : x
  2. Step 2: Convert to fraction form
    634,909.70/952,364.55 = 610,415.30/x
  3. Step 3: Cross multiply
    634,909.70x = 952,364.55 × 610,415.30
  4. Step 4: Simplify right side
    634,909.70x = 581,337,892,497.62
  5. Step 5: Solve for x
    x = 581,337,892,497.62/634,909.70
  6. Step 6: Final answer
    x = 915,622.95

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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.