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Finding the Fourth Proportional to 502,369.80, 693,238.74 and 462,245.64

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Solution

The fourth proportional to 502,369.80, 693,238.74 and 462,245.64 is: 637,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,369.80 : 693,238.74 = 462,245.64 : x
  2. Step 2: Convert to fraction form
    502,369.80/693,238.74 = 462,245.64/x
  3. Step 3: Cross multiply
    502,369.80x = 693,238.74 × 462,245.64
  4. Step 4: Simplify right side
    502,369.80x = 320,446,585,044.09
  5. Step 5: Solve for x
    x = 320,446,585,044.09/502,369.80
  6. Step 6: Final answer
    x = 637,869.92

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1.5x scale

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.