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Finding the Fourth Proportional to 662,162.46, 913,271.67 and 446,961.66

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Solution

The fourth proportional to 662,162.46, 913,271.67 and 446,961.66 is: 616,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,162.46 : 913,271.67 = 446,961.66 : x
  2. Step 2: Convert to fraction form
    662,162.46/913,271.67 = 446,961.66/x
  3. Step 3: Cross multiply
    662,162.46x = 913,271.67 × 446,961.66
  4. Step 4: Simplify right side
    662,162.46x = 408,197,421,654.17
  5. Step 5: Solve for x
    x = 408,197,421,654.17/662,162.46
  6. Step 6: Final answer
    x = 616,461.14

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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.