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Finding the Fourth Proportional to 358,211.51, 537,202.85 and 118,280.73

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Solution

The fourth proportional to 358,211.51, 537,202.85 and 118,280.73 is: 177,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,211.51 : 537,202.85 = 118,280.73 : x
  2. Step 2: Convert to fraction form
    358,211.51/537,202.85 = 118,280.73/x
  3. Step 3: Cross multiply
    358,211.51x = 537,202.85 × 118,280.73
  4. Step 4: Simplify right side
    358,211.51x = 63,540,744,664.68
  5. Step 5: Solve for x
    x = 63,540,744,664.68/358,211.51
  6. Step 6: Final answer
    x = 177,383.32

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1.5x scale

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.