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Finding the Fourth Proportional to 664,510.66, 917,024.72 and 362,704.66

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Solution

The fourth proportional to 664,510.66, 917,024.72 and 362,704.66 is: 500,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,510.66 : 917,024.72 = 362,704.66 : x
  2. Step 2: Convert to fraction form
    664,510.66/917,024.72 = 362,704.66/x
  3. Step 3: Cross multiply
    664,510.66x = 917,024.72 × 362,704.66
  4. Step 4: Simplify right side
    664,510.66x = 332,609,139,279.20
  5. Step 5: Solve for x
    x = 332,609,139,279.20/664,510.66
  6. Step 6: Final answer
    x = 500,532.44

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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.