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Finding the Fourth Proportional to 537,631.60, 806,447.40 and 348,674.80

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Solution

The fourth proportional to 537,631.60, 806,447.40 and 348,674.80 is: 523,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,631.60 : 806,447.40 = 348,674.80 : x
  2. Step 2: Convert to fraction form
    537,631.60/806,447.40 = 348,674.80/x
  3. Step 3: Cross multiply
    537,631.60x = 806,447.40 × 348,674.80
  4. Step 4: Simplify right side
    537,631.60x = 281,187,885,905.52
  5. Step 5: Solve for x
    x = 281,187,885,905.52/537,631.60
  6. Step 6: Final answer
    x = 523,012.20

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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.