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Finding the Fourth Proportional to 397,241.70, 595,862.55 and 237,809.40

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Solution

The fourth proportional to 397,241.70, 595,862.55 and 237,809.40 is: 356,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,241.70 : 595,862.55 = 237,809.40 : x
  2. Step 2: Convert to fraction form
    397,241.70/595,862.55 = 237,809.40/x
  3. Step 3: Cross multiply
    397,241.70x = 595,862.55 × 237,809.40
  4. Step 4: Simplify right side
    397,241.70x = 141,701,715,497.97
  5. Step 5: Solve for x
    x = 141,701,715,497.97/397,241.70
  6. Step 6: Final answer
    x = 356,714.10

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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.