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Finding the Fourth Proportional to 358,481.73, 537,803.61 and 118,595.07

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Solution

The fourth proportional to 358,481.73, 537,803.61 and 118,595.07 is: 177,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,481.73 : 537,803.61 = 118,595.07 : x
  2. Step 2: Convert to fraction form
    358,481.73/537,803.61 = 118,595.07/x
  3. Step 3: Cross multiply
    358,481.73x = 537,803.61 × 118,595.07
  4. Step 4: Simplify right side
    358,481.73x = 63,780,853,492.21
  5. Step 5: Solve for x
    x = 63,780,853,492.21/358,481.73
  6. Step 6: Final answer
    x = 177,919.40

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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.