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Finding the Fourth Proportional to 666,024.17, 919,099.64 and 364,218.17

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Solution

The fourth proportional to 666,024.17, 919,099.64 and 364,218.17 is: 502,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,024.17 : 919,099.64 = 364,218.17 : x
  2. Step 2: Convert to fraction form
    666,024.17/919,099.64 = 364,218.17/x
  3. Step 3: Cross multiply
    666,024.17x = 919,099.64 × 364,218.17
  4. Step 4: Simplify right side
    666,024.17x = 334,752,785,243.51
  5. Step 5: Solve for x
    x = 334,752,785,243.51/666,024.17
  6. Step 6: Final answer
    x = 502,613.57

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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.