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Finding the Fourth Proportional to 384,595.58, 576,948.04 and 118,378.28

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Solution

The fourth proportional to 384,595.58, 576,948.04 and 118,378.28 is: 177,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,595.58 : 576,948.04 = 118,378.28 : x
  2. Step 2: Convert to fraction form
    384,595.58/576,948.04 = 118,378.28/x
  3. Step 3: Cross multiply
    384,595.58x = 576,948.04 × 118,378.28
  4. Step 4: Simplify right side
    384,595.58x = 68,298,116,624.57
  5. Step 5: Solve for x
    x = 68,298,116,624.57/384,595.58
  6. Step 6: Final answer
    x = 177,584.25

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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.