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Finding the Fourth Proportional to 497,441.72, 686,700.06 and 293,423.96

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Solution

The fourth proportional to 497,441.72, 686,700.06 and 293,423.96 is: 405,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,441.72 : 686,700.06 = 293,423.96 : x
  2. Step 2: Convert to fraction form
    497,441.72/686,700.06 = 293,423.96/x
  3. Step 3: Cross multiply
    497,441.72x = 686,700.06 × 293,423.96
  4. Step 4: Simplify right side
    497,441.72x = 201,494,250,937.44
  5. Step 5: Solve for x
    x = 201,494,250,937.44/497,441.72
  6. Step 6: Final answer
    x = 405,061.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.