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Finding the Fourth Proportional to 634,861.12, 952,187.76 and 235,408

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Solution

The fourth proportional to 634,861.12, 952,187.76 and 235,408 is: 353,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,861.12 : 952,187.76 = 235,408 : x
  2. Step 2: Convert to fraction form
    634,861.12/952,187.76 = 235,408/x
  3. Step 3: Cross multiply
    634,861.12x = 952,187.76 × 235,408
  4. Step 4: Simplify right side
    634,861.12x = 224,152,616,206.08
  5. Step 5: Solve for x
    x = 224,152,616,206.08/634,861.12
  6. Step 6: Final answer
    x = 353,073.47

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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.