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Finding the Fourth Proportional to 344,717.71, 517,080.21 and 104,870.67

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Solution

The fourth proportional to 344,717.71, 517,080.21 and 104,870.67 is: 157,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,717.71 : 517,080.21 = 104,870.67 : x
  2. Step 2: Convert to fraction form
    344,717.71/517,080.21 = 104,870.67/x
  3. Step 3: Cross multiply
    344,717.71x = 517,080.21 × 104,870.67
  4. Step 4: Simplify right side
    344,717.71x = 54,226,550,760.62
  5. Step 5: Solve for x
    x = 54,226,550,760.62/344,717.71
  6. Step 6: Final answer
    x = 157,307.12

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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.