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Finding the Fourth Proportional to 473,245.32, 653,001.50 and 279,626.06

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Solution

The fourth proportional to 473,245.32, 653,001.50 and 279,626.06 is: 385,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,245.32 : 653,001.50 = 279,626.06 : x
  2. Step 2: Convert to fraction form
    473,245.32/653,001.50 = 279,626.06/x
  3. Step 3: Cross multiply
    473,245.32x = 653,001.50 × 279,626.06
  4. Step 4: Simplify right side
    473,245.32x = 182,596,231,955.95
  5. Step 5: Solve for x
    x = 182,596,231,955.95/473,245.32
  6. Step 6: Final answer
    x = 385,838.43

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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.