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Finding the Fourth Proportional to 370,666.92, 555,994.28 and 117,962.70

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Solution

The fourth proportional to 370,666.92, 555,994.28 and 117,962.70 is: 176,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,666.92 : 555,994.28 = 117,962.70 : x
  2. Step 2: Convert to fraction form
    370,666.92/555,994.28 = 117,962.70/x
  3. Step 3: Cross multiply
    370,666.92x = 555,994.28 × 117,962.70
  4. Step 4: Simplify right side
    370,666.92x = 65,586,586,453.36
  5. Step 5: Solve for x
    x = 65,586,586,453.36/370,666.92
  6. Step 6: Final answer
    x = 176,942.11

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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.