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Finding the Fourth Proportional to 537,623.60, 806,435.40 and 348,666.80

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Solution

The fourth proportional to 537,623.60, 806,435.40 and 348,666.80 is: 523,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,623.60 : 806,435.40 = 348,666.80 : x
  2. Step 2: Convert to fraction form
    537,623.60/806,435.40 = 348,666.80/x
  3. Step 3: Cross multiply
    537,623.60x = 806,435.40 × 348,666.80
  4. Step 4: Simplify right side
    537,623.60x = 281,177,250,324.72
  5. Step 5: Solve for x
    x = 281,177,250,324.72/537,623.60
  6. Step 6: Final answer
    x = 523,000.20

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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.