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Finding the Fourth Proportional to 358,679.62, 537,818.55 and 166,347.82

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Solution

The fourth proportional to 358,679.62, 537,818.55 and 166,347.82 is: 249,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,679.62 : 537,818.55 = 166,347.82 : x
  2. Step 2: Convert to fraction form
    358,679.62/537,818.55 = 166,347.82/x
  3. Step 3: Cross multiply
    358,679.62x = 537,818.55 × 166,347.82
  4. Step 4: Simplify right side
    358,679.62x = 89,464,943,348.06
  5. Step 5: Solve for x
    x = 89,464,943,348.06/358,679.62
  6. Step 6: Final answer
    x = 249,428.57

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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.