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Finding the Fourth Proportional to 610,162.47, 913,803.93 and 309,898.44

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Solution

The fourth proportional to 610,162.47, 913,803.93 and 309,898.44 is: 464,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,162.47 : 913,803.93 = 309,898.44 : x
  2. Step 2: Convert to fraction form
    610,162.47/913,803.93 = 309,898.44/x
  3. Step 3: Cross multiply
    610,162.47x = 913,803.93 × 309,898.44
  4. Step 4: Simplify right side
    610,162.47x = 283,186,412,372.87
  5. Step 5: Solve for x
    x = 283,186,412,372.87/610,162.47
  6. Step 6: Final answer
    x = 464,116.41

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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.