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Finding the Fourth Proportional to 482,386.59, 665,081.74 and 344,729.98

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Solution

The fourth proportional to 482,386.59, 665,081.74 and 344,729.98 is: 475,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,386.59 : 665,081.74 = 344,729.98 : x
  2. Step 2: Convert to fraction form
    482,386.59/665,081.74 = 344,729.98/x
  3. Step 3: Cross multiply
    482,386.59x = 665,081.74 × 344,729.98
  4. Step 4: Simplify right side
    482,386.59x = 229,273,610,510.64
  5. Step 5: Solve for x
    x = 229,273,610,510.64/482,386.59
  6. Step 6: Final answer
    x = 475,290.18

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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.