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Finding the Fourth Proportional to 358,678.62, 537,817.05 and 166,346.82

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Solution

The fourth proportional to 358,678.62, 537,817.05 and 166,346.82 is: 249,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,678.62 : 537,817.05 = 166,346.82 : x
  2. Step 2: Convert to fraction form
    358,678.62/537,817.05 = 166,346.82/x
  3. Step 3: Cross multiply
    358,678.62x = 537,817.05 × 166,346.82
  4. Step 4: Simplify right side
    358,678.62x = 89,464,156,009.28
  5. Step 5: Solve for x
    x = 89,464,156,009.28/358,678.62
  6. Step 6: Final answer
    x = 249,427.07

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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.